Best MacBooks (2024): Which Model Should You Buy?

Best MacBooks (2024): Which Model Should You Buy? Leave a comment

in 2020, Apple’s MacBooks entered a brand new period. The corporate introduced it was shifting away from the Intel chips it had been utilizing since 2006; of their place, it rolled out the primary Macs with the Apple-designed M1. Lower to 2024 and the corporate now provides the selection between 14 customized processors, the newest of which is the M4 lineup powering the newest MacBook Professional.

Like with Apple’s iPhones, the chips run on the ARM structure and afford the corporate higher management over its {hardware} and software program. These processors make Apple laptops extra highly effective and power-efficient, that means significantly improved efficiency and battery life. You get different perks, like the flexibility to run cellular apps initially made for iOS. Regardless of all these advances, selecting a MacBook remains to be a process. Right here’s what it is best to spend your hard-earned cash on.

Up to date November 2024: We have added data on the brand new 14-inch and 16-inch MacBook Professional and the brand new M4 Professional and M4 Max chips.

Energy up with limitless entry to WIRED. Get best-in-class reporting that is too necessary to disregard for simply $2.50 $1 per 30 days for 1 12 months. Contains limitless digital entry and unique subscriber-only content material. Subscribe At present.

A Breakdown of Every M-Collection Chip

All of Apple’s processors are scattered all through completely different MacBook fashions. At this level, it is perhaps robust to discover a MacBook powered by a chip from earlier than the M2. However should you do come upon its older chips (which got here out 4 years in the past), you is perhaps questioning how they examine to different choices. We break down the distinction between every one.

M1 Collection

M1: That is the primary customized silicon Apple debuted for its MacBook Air in 2020. It has an 8-core CPU and as much as an 8-core GPU. Initially, there was assist for as much as 16 GB of unified reminiscence (RAM) at an additional price, however these days you possibly can solely buy the 8 GB mannequin. It’s a lot sooner than any earlier Intel-powered MacBook Professional, and it’s the sensible alternative for most individuals, because it’s in probably the most reasonably priced MacBook Air you should buy proper now (from third-party retailers). It packs greater than sufficient processing energy to get you thru widespread day-to-day duties—even mild gaming—and it will possibly deal with extra intense jobs like photograph enhancing.

M1 Professional: Subsequent step up is the M1 Professional. It has as much as 10 cores within the CPU and as much as a 16-core GPU, with as much as 32 GB of unified reminiscence. Apple says efficiency and graphics are each twice as quick as on the M1. We discovered it to be significantly extra succesful than the bottom chip, superb for anybody who works closely on MacBooks for music manufacturing or photograph and video enhancing. Solely the MacBook Professional (14 inch and 16 inch) from 2021 use this chip.

M1 Max: Just like the M1 Professional, the M1 Max has a 10-core CPU however a heftier 32-core GPU (with assist for as much as 64 GB of unified reminiscence). Apple says it’s 4 instances sooner than the M1 when it comes to graphics. As confirmed in testing, this chip is extraordinarily highly effective and handles each heavy-duty process with ease. It’s the clear alternative should you want a pc that may deal with a number of streams of 8K or 4K video footage, 3D rendering, or growing apps and working demos. You most likely already know whether or not you want this a lot energy. It is out there within the MacBook Professional (14-inch and 16-inch) from 2021.

M1 Extremely: The M1 Extremely is the second strongest of all of them. It is two M1 Max chips linked with a expertise known as UltraFusion. It packs a 20-core CPU, 64-core GPU (which may be configured with as much as 128 GB of unified reminiscence), and 32-core neural engine—full with seven instances extra transistors than the bottom M1. Even with the M2 Extremely now out there, the M1 is loads highly effective and an ideal choice for anybody who wants a heavy-duty processor for working with intense visuals and graphics. It’s out there solely on the first-generation Mac Studio.


M2 Collection

M2: You may assume the M2 is best than the M1 Professional or M1 Max, however you would be incorrect. It is an entry-level chip just like the M1, with barely extra processing energy. It packs an 8-core CPU and as much as a 10-core GPU (two extra GPU cores than its predecessor), together with assist for as much as 24 GB of unified reminiscence. Apple says the second-generation chip has an 18 p.c sooner CPU and a GPU that’s 35 p.c extra highly effective. The M2 is nice for day by day duties like phrase processing and net searching, however duties like enhancing a number of streams of 4K footage and 3D rendering must be reserved for the M1 Professional or M1 Max (or the following two chips). It is out there within the MacBook Air (13 inch, 2022), MacBook Air (15 inch, 2022), MacBook Professional (13 inch, 2022).

M2 Professional: The M2 Professional is the following step up from the M2. It has as much as 12 cores within the CPU and as much as a 19-core GPU, with as much as 32 GB of unified reminiscence. Apple claims efficiency is as much as 20 p.c sooner than the 10-core M1 Professional and graphics are 30 p.c sooner. We suggest this chip for intermediate video and photograph editors. It is a marginal improve in comparison with the M1 Professional, however it’s the most suitable choice for many who need a extra future-proof processor. You will discover it within the MacBook Professional (14-inch and 16-inch) from early 2023 and Mac Mini (2023).

M2 Max: The M2 Max packs as much as a 12-core CPU and as much as a 38-core GPU (with assist for as much as 96 GB of unified reminiscence). In response to Apple, graphics are 30 p.c sooner than the M1 Max. The M2 Max is a superb alternative for many who work with graphics-intensive content material, together with graphic design, 3D modeling, and heavy-duty video footage. However as with the M2 Professional, it is an incremental improve should you’re coming from an M1 Max. It is out there within the MacBook Professional (14 inch and 16 inch) that got here out early in 2023 and Mac Studio (2023).

M2 Extremely: That is the successor to the M1 Extremely, making it probably the most highly effective of all of them—even the newest M4 Max. It is out there on the second-generation Mac Studio and the Mac Professional (2023). Composed of two M2 Max chips, utilizing Apple’s UltraFusion expertise, the M2 Extremely has a 24-core CPU and a GPU configurable with 60 or 76 cores. Apple claims the CPU delivers as much as 20 p.c sooner efficiency and a 30 p.c sooner GPU than the M1 Extremely. That is the chip to get should you’re working with extraordinarily heavy-duty content material that you just consider the M1 Extremely, M2 Professional, or M2 Max merely will not have the ability to deal with. You will know should you want a chip this strong.


M3 Collection

M3: The M3 is out there on the 14-inch MacBook Professional (late 2023), 13-inch MacBook Air (2024), 15-inch MacBook Air (2024), and 24-inch iMac (2023). It packs an 8-core CPU and as much as 10-core GPU with 24 gigabytes of unified reminiscence. When in comparison with the M1, Apple claims CPU efficiency is as much as 35 p.c sooner and GPU efficiency is as much as 65 p.c sooner. The corporate says the CPU and GPU are each 20 p.c sooner than the M2. As with the M1 and M2, it is nice for fundamental duties like phrase processing, sending emails, utilizing spreadsheets, and light-weight gaming. With the 13-inch and 15-inch MacBook Air, you even have assist for 2 exterior shows (one show with as much as 6K decision at 60 Hz and one other with as much as 5K decision at 60 Hz).

M3 Professional: With a 12-core CPU and an 18-core GPU, Apple claims the M3 Professional’s GPU is barely as much as 10 p.c sooner than the M2 Professional—making this a marginal improve from its predecessor. In comparison with the M1 Professional, nonetheless, the M2 Professional is as much as 40 p.c sooner in GPU efficiency and 20 p.c sooner in CPU efficiency. It is out there on the 14-inch and 16-inch MacBook Professional from 2023. It is the best in-between for many who want a chip that is extra highly effective than the M3 however will not make the most of the complete energy of the M3 Max.

M3 Max: That is the following step up from the M2 Max and probably the most highly effective of the three chips (however nonetheless not as highly effective because the M2 Extremely). It has a 16-core CPU, 40-core GPU, and as much as 128 gigabytes of unified reminiscence. In response to Apple, the CPU efficiency is as much as 80 p.c sooner than the M1 Max and as much as 50 p.c sooner than the M2 Max. As for GPU efficiency, it is stated to be as much as 50 p.c sooner than the M1 Max and 20 p.c sooner than the M2 Max. The M3 Max is out there on the 14-inch and 16-inch MacBook Professional (late 2023).


M4 Collection

M4: The M4 is the latest entry-level chip that has a 10-core CPU and 10-core GPU. Apple claims it delivers 1.8 instances sooner CPU efficiency and a pair of.2 instances sooner GPU efficiency than the M1. In the meantime, the neural engine is over 3 times sooner than the unique and twice as quick because the M3. It additionally begins with 16 GB of unified reminiscence, which is able to assist energy Apple Intelligence (the corporate’s suite of synthetic intelligence options) much more easily. It is out there on the 14-inch MacBook Professional (2024) and iMac (2024).

M4 Professional: The M4 Professional has a 14-core CPU (which Apple claims it is as much as 1.9 instances sooner than the M1 Professional) and as much as 20-core GPU, with as much as 64 GB of unified mmory. Constructed on a second-generation three-nanometer course of, it additionally helps options like mesh shading and ray tracing—the latter of which is now twice as quick than on M3 chips. You will discover it on the newest MacBook Professional (14-inch and 16-inch) and Mac Mini (2024).

M4 Max: This chip has a 16-core CPU and as much as a 40-core GPU with assist as much as 128 GB of unfied reminiscence. Apple says the CPU is as much as 2.2 instances sooner than the M1 Max whereas the GPU is as much as 1.9 instances sooner. As with the M4 Professional is packs assist for mesh shading and ray tracing. Though the M2 Extremely is probably the most highly effective chip of all of them, it is solely out there on the second-gen Mac Studio. The M4 Max is at the moment probably the most highly effective chip you will get in a MacBook Professional. It is out there on the newest 14-inch and 16-inch MacBook Professional.

Which Macs Assist Apple Intelligence?

With Apple’s newest working system, macOS Sequoia, you will have entry to Apple Intelligence—the corporate’s synthetic intelligence options which are additionally out there iOS and iPadOS 18. Apple not too long ago launched the primary set of options with MacOS Sequoia 15.1 together with Writing Instruments, an overhauled Siri, Sensible Replies and Mail Summaries, and Clear Up in Images. Nonetheless, Apple Intelligence is unique to Macs with the an M-series chip. This consists of the next:

  • MacBook Air (M1, M2, M3)
  • MacBook Professional (M1, M1 Professional, M1 Max, M2 Professional, M2 Max, M3, M3 Professional, M3 Max, M4, M4 Professional, M4 Max)
  • iMac (M1, M3, M4)
  • Mac Mini (M1, M2, M2 Professional, M4, M4 Professional)
  • Mac Studio (M1 Max, M1 Extremely, M2 Max, M2 Extremely)

Get AppleCare+ to Defend Your Gadgets

None of Apple’s MacBooks are low cost, and substitute components are nightmarishly costly. For the reason that whole pc is totally built-in into Apple’s tightly designed aluminum chassis, you’re one espresso spill away from a surprisingly giant restore invoice. Because of this Apple’s AppleCare+ is value it—beginning at $100, AppleCare extends your manufacturing unit guarantee to a few years, offers you matching phone assist, and throws in two unintended injury repairs as nicely. After paying a minimal $99 service payment, no matter you probably did to zap your shiny new Mac might be undone, and also you’ll be again to hammering away in your keyboard.

Take Benefit of Apple’s Training Reductions

Apple at all times provides small reductions on {hardware} for college students and lecturers. All you want to do is buy one thing by Apple’s Training Retailer, select the product you need (it is best to see the discounted pricing), and undergo the motions to position the order like regular. You don’t want to point out any proof that you just’re a scholar on the time of buy, however you need to be sincere, as Apple can e mail you at a later date and ask for verification.

Is Now a Good Time to Purchase?

For probably the most half, sure. Apple simply launched a brand new 14-inch and 16-inch MacBook Professional powered by the newest M4 chips, in order that they’re totally updated. The 13-inch and 15-inch MacBook Air will doubtless obtain the M4 remedy within the spring of 2025. However the M3 variations, which launched earlier this 12 months, are nonetheless wonderful.

The Finest for Most Individuals

Apple’s newest MacBook Air (7/10, WIRED Recommends) with M3 isn’t dramatically completely different from the MacBook Air with M2. It has the identical boxy chassis (as a substitute of the outdated wedge design), a 13.6-inch LCD display screen (with a 60-Hz refresh charge and a max brightness of 500 nits), plus a notch that cuts into the show housing a 1080p webcam.

It is available in the identical 4 colours: Starlight, Midnight, House Grey, and Silver. Nonetheless, the Midnight colour now has an anodization seal to scale back fingerprints, which works fairly nicely—you possibly can nonetheless see smudges (particularly in direct daylight), however I did not discover myself utilizing a fabric to wipe it down as a lot because the Starlight model. It’s simple to see mud in such a darkish shade although.

Apple saved the identical port choice. There are two USB 4/Thunderbolt ports, a 3.5-mm headphone jack, and a MagSafe port for charging. Talking of, there’s assist for quick charging if you are going to buy the 70-watt USB-C energy adapter, which Apple claims can juice up the laptop computer as much as 50 p.c in half-hour (should you go for one of many increased storage configurations, Apple will embrace it in your buy). As for battery life, Apple claims the identical 15 hours of wi-fi net searching as its predecessor. In actuality, I hit 29 p.c after eight hours in the course of the workday. It is higher than the M2-powered MacBook Air, which needed to be plugged into the charger after the identical period of time, however it’s not a giant leap forward.

Underneath the hood is Apple’s M3 chip. It provides a pleasant enhance in efficiency over the unique M1 processor—Apple says it is as much as 60 instances sooner, however it’s solely 20 p.c sooner than the M2 chipset, so do not improve if in case you have that mannequin. With the M3, you get an 8-core CPU with the choice to decide on between an 8-core or 10-core GPU. I examined the mannequin with an 8-core CPU, 10-core GPU, and 16 GB of unified reminiscence. Efficiency was tremendous clean on commonplace workdays after I had apps like Slack, iMessage, Spotify, and Telegram working concurrently, together with about 60 tabs open in Google Chrome.

After I opened up about 10 extra tabs, it began to wrestle. Nonetheless, it wasn’t sufficient to set off the notorious rainbow wheel or make me shut any tabs or force-quit apps. I attribute this to the upper unified reminiscence configuration. If it is in your finances, I extremely suggest choosing something above the bottom 8 GB mannequin for a smoother expertise. Nonetheless, it is value noting that as of October 2024, Apple has determined to equip the bottom MacBook Air with 16 GB of unified reminiscence and introduced the value all the way down to the unique 8 GB variant (which not exists). You will discover the 8 GB mannequin at third-party retailers, so watch out when buying and attempt to keep away from it.

This MacBook Air now helps two exterior shows, with assist for one show with as much as 6K decision at 60 Hz and one other with as much as 5K decision at 60 Hz. This can be a welcome change because the M1 and M2 chipsets natively assist just one monitor. There is a caveat: You need to hold the MacBook Air closed. (Technically it nonetheless solely helps two shows.) One of many exterior shows will go utterly darkish everytime you open the lid.

The M3-powered Air is good for anybody who wants a dependable laptop computer for on a regular basis duties and somewhat extra. In case your workload is graphics-intensive, I recommend snagging one of many 14- or 16-inch MacBook Professional fashions under.

If You Need a Larger Display

The 15-inch MacBook Air is the primary large-screen choice throughout the Air lineup. You lastly need not splurge on a 14- or 16-inch MacBook Professional simply to get a giant display screen. It packs all the identical options as its smaller sibling (see above) and stays skinny and light-weight at 3.3 kilos—round a half-pound heavier than the 13-inch MacBook Air and barely lighter than the 14-inch MacBook Professional. It helps Wi-Fi 6E connectivity for obtain speeds which are twice as quick as its predecessor, however you will want a Wi-Fi 6E router to take benefit.

In contrast to the smaller MacBook Air, the bottom mannequin has a 10-core GPU as a substitute of the 8-core GPU. Apple despatched me the 15-inch MacBook Air with 16 GB of reminiscence, and it dealt with 41 Chrome tabs, three separate home windows, and a number of apps with none hiccups. As typical, I like to recommend upgrading to at the least 16 GB of unified reminiscence, which ensures the machine will not sputter while you push it with dozens of browser tabs and apps working concurrently. As with the 13-inch mannequin, it is value noting the bottom mannequin M2 and M3-powered MacBook Air now comes with 16 GB of unified reminiscence as a substitute of 8 GB (beginning at $999). In case you’re shopping for it by Apple, you will not have to fret about something; for third-party retailers, be sure to go for the 16-GB model.

One different distinction is the speaker system. The quad-speakers on the 13-inch MacBook Air are upgraded right here to a six-speaker system, which incorporates two tweeters and two units of force-canceling woofers. The distinction is noticeable. It delivers higher sound readability, and I haven’t got to crank it to max quantity every time I watch a film. Battery life can also be higher. Apple claims the 13-inch and 15-inch have as much as 15 hours of wi-fi net searching, however I noticed higher outcomes with the bigger MacBook. I might must plug within the 13-inch MacBook after seven or eight hours of use, however the 15 incher hit 54 p.c after the identical period of time with related workloads.

I typically by no means felt the necessity to join this 15-inch laptop computer to an exterior monitor, which was extra of a necessity with the 13-inch MacBook Air. In case you discover these smaller screens to be somewhat too cramped, then go for the 15-inch MacBook Air.


For Energy-Hungry Port Lovers

That is the newest model of the 14-inch and 16-inch MacBook Professional, powered by Apple’s whole lineup of M4 chips. Along with the M4 Professional and M4 Max, you possibly can as soon as once more configure the 14-inch mannequin with the entry-level M4 chip (as you could possibly with the M3 model). The 16-inch may be paired with the M4 Professional or M4 Max.

It retains lots of the identical options as its predecessor, together with a Mini-LED display screen, 120-Hz refresh charge, 1080p webcam, and a six-speaker sound system. However now, for an extra $150, you possibly can add nano-texture glass on all configurations. It is useful should you work outdoor or by a window and need to cut back glare. The 12-megapixel digital camera additionally comes with Heart Stage. Beforehand solely out there on iPads and Apple’s Apple’s Studio Show, this function retains you in body throughout video calls.

It has extra ports than earlier than. The bottom MacBook Professional now comes with three USB-C ports with Thunderbolt 4 (that is one additional port than on the M3 model), whereas the M4 Professional or M4 Max fashions include three USB-C Thunderbolt 5 ports—which implies you will get sooner knowledge switch speeds. All nonetheless include an HDMI out, an SD card slot, a high-impedance headphone jack, and a MagSafe charging port. You additionally get assist for Wi-Fi 6E together with Bluetooth 5.3.

Apple lastly upgraded the reminiscence on the bottom fashions to 16 gigabytes. Up to now, we at all times really helpful it over 8 GB to make sure the smoothest expertise whereas multitasking, so it is good to see the corporate nix it utterly. This improve in RAM may also assist to create a greater expertise with Apple Intelligence, out there with MacOS Sequoia 15.1. The synthetic intelligence options can be found on all M-series Macs, supplying you with entry to numerous options like Writing Instruments, an overhauled Siri, and Sensible Reply in Messages.

These fashions are roughly spec bumps, with few {hardware} upgrades. We nonetheless must put each fashions by their paces to see simply how highly effective the brand new M4 chips are, however as at all times, they’re solely a worthy improve should you’re trying to spend money on your first MacBook Professional or are coming from a a lot older mannequin. Keep tuned for our assessment.


The Most cost-effective MacBook

The MacBook Air (9/10, WIRED Recommends) from 2020 with the unique M1 chip remains to be a fairly highly effective laptop computer for the cash (particularly because the worth has come down since its launch). My unit remains to be going sturdy regardless of day by day, rigorous use. It isn’t the snazziest Apple laptop computer, however it lasts greater than a full workday, with the battery hitting 22 p.c after I ran it nearly nonstop from 9 am to 7 pm utilizing Safari and work apps like Slack. (I needed to plug within the outdated Intel mannequin by 4 pm.)

In contrast to older MacBooks you may nonetheless discover out there with Intel chips, this one can immediately get up from sleep everytime you faucet the keyboard or trackpad or elevate the display screen, identical to while you faucet your iPhone or iPad to wake it up. There’s no fan right here, so it stays whisper-quiet even beneath the heaviest masses. There’s a thermal warmth spreader to dissipate warmth and it by no means will get too heat.

You may solely purchase the bottom mannequin with 8 GB of unified reminiscence and 256 GB of storage, which must be enough for general-purpose duties. Simply remember the fact that whereas this M1 chip helps Apple Intelligence, it might wrestle with some duties as a result of restricted reminiscence. Additionally, should you push it with too many browser tabs and apps working concurrently, you might run into some slowdowns. Different downsides? The 720p webcam isn’t nice. and the M1 solely helps one exterior monitor.


Different Good MacBooks

Apple releases new MacBooks at a fast tempo so that you may really feel inclined to purchase the newest and biggest. These barely older fashions are nonetheless good choices, so long as you discover them on sale for the fitting worth. Apple not sells them immediately (other than the M2-powered 13-inch MacBook Air), however we suggest checking third-party retailers (like Amazon, Finest Purchase, or B&H). Simply cross-check the value with the newest fashions and be sure to’re spending much less.

{Photograph}: Brenda Stolyar

  • MacBook Professional (14-inch and 16-inch, Late 2023): The 14-inch and 16-inch MacBook Professional (9/10, WIRED Recommends) are powered by the M3 sequence chips. You may configure the 14-inch MacBook Professional with all three whereas the 16-inch model may be paired with M3 Professional and M3 Max. The M3 is good if you would like just a few of the “Professional” options however do not need to spend practically $2,000 to get it, whereas the M3 Professional or M3 Max are nice for duties like enhancing 4K movies, rendering 3D fashions in CAD, and producing music.
  • MacBook Air (15-inch, 2023): The 15-inch MacBook Air with M2 (8/10, WIRED Recommends) packs all the identical options because the 13-inch model, plus a bigger display screen. The M2 additionally provides nice efficiency and good battery life (we squeezed about 10 hours out of it). Attempt to discover it for round $999 or much less.
  • MacBook Air (13-inch, 2022): The 13-inch MacBook Air with M2 (7/10, WIRED Recommends) remains to be a pleasant laptop computer. The M2 chip delivers clean efficiency for on a regular basis duties (like writing emails, creating spreadsheets, net searching, and streaming content material) and strong battery life (we reached about eight hours earlier than having to plug it in). You will additionally get a much bigger and brighter show (13.6 inches), a 1080p webcam, and MagSafe charging. Apple nonetheless sells the M2-powered 13-inch MacBook Air for a diminished worth of $999 (down from $1,099), and it even comes with 16 GB of unified reminiscence.
  • MacBook Professional (13 Inch, 2022): That is the most suitable choice if you would like the Contact Bar on the prime of the keyboard since it is the final mannequin to return geared up with one. Underneath the hood is an M2 chip, which carried out pretty nicely in our exams however did really feel sluggish at instances—the laptop computer stuttered a bit whereas enhancing video footage and photographs. However not like the MacBook Air, it has a fan, which permits it to eke out extra energy over an extended interval. It is useful should you’re engaged on pro-level duties however cannot spend the premium that Apple costs for its greater Professional fashions. We solely suggest it if you could find it for $1,000 or much less.
  • MacBook Professional (14 Inch and 16 Inch, Early 2023): In case you do not need to spend a ton of cash on the newest 14-inch or 16-inch MacBook Professional (9/10, WIRED Recommends), the M2 Professional and M2 Max (which launched early in 2023) are greater than succesful for dealing with intensive, graphically demanding manufacturing work. In our testing, each the 14-inch MacBook Professional with the M2 Professional and the 16-inch MacBook Professional with the M2 Max delivered clean efficiency and playback after being put by stress exams (like enhancing 4K and RED Uncooked footage, in addition to including 3D results). We suggest solely snagging this one for round $1,800 or much less.
  • MacBook Professional (14 Inch and 16 Inch, 2021): These MacBooks (8/10, WIRED Recommends), powered by the M1 Professional and M1 Max, had been the beginning of a brand new period for Apple’s high-end machines. The corporate launched a redesigned chassis with extra ports, a 120-Hz refresh charge, and a MagSafe port. Despite the fact that these launched in late 2021, you do not have to avoid them—each processors are nonetheless loads highly effective. In our testing, we discovered the M1 Max felt one-to-one with the $6,000+ older Mac Professional. It did not wrestle in any respect whereas enhancing heavy-duty footage. Nonetheless, it is rising more and more robust to seek out in inventory at third-party retailers. In case you do handle to seek out one, we propose solely buying it if it is on sale for round $1,500 or much less.

What About Older MacBooks?

We suggest solely shopping for an M-series MacBook. Older MacBooks with Intel chips and butterfly keyboards are merely not definitely worth the worth and won’t be supported for for much longer.

Leave a Reply

Your email address will not be published. Required fields are marked *