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I replaced my Windows laptop with an M4 MacBook Air - here's how the first 24 hours went

Apple's refresh of the MacBook Air features numerous small changes that add up to make one of the most popular ultraportable laptops even more competitive in 2025.
Written by Kyle Kucharski, Editor
Apple MacBook Air M4

MacBook Air M4 in Sky Blue

Kyle Kucharski/ZDNET

When Apple announced the MacBook Air M4 earlier this month, it was clear that the laptop would be an incremental upgrade from last year's model, with the latest in Apple silicon and a host of software and AI-powered features. The fact that the 13-inch version was $100 less was a pleasant surprise, however, positioning it as a competitive choice in the current market. 

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I had a chance to test out the new MacBook Air M4 over the course of a few days, and my initial findings reflect a device that's snappier, a little more polished, and ultimately an improvement on the device we all know and love. A more thorough, full-length review will come shortly, but for now, here are my initial thoughts on the latest refresh to the ultraportable laptop that started it all. 

Hardware upgrades: more for less

One of the big improvements to the hardware on the Air M4 is the expansion on both the low and high end. The lowest-tier configuration of the M4 comes with a 10-core CPU and 8-core GPU, as opposed to the 8-core M3 chip from last year.

Also: I spent $4K on my Mac Studio 3 years ago - should I upgrade to the 2025 model? 

On the other hand, the high-end configuration offers 32GB of unified memory, which was previously capped out at 24GB on the M3 MacBook Air. This combination of improvements for its base components and lower starting cost keeps it relevant and a worthy competitor for the influx of other slim and lightweight laptops.

The display still rocks

I tested the 15-inch MacBook Air, and while it's certainly thin and light, a handful of competitors have popped up over the past few years, particularly in the 15- and 16-inch categories, to challenge its lightweight supremacy. The LG Gram Pro 16, for example, features an even larger screen and is thinner and lighter than the 15-inch MacBook Air M4. 

So, it's not just the form factor anymore. The Air has a handful of special features that set it apart, both in terms of software and hardware, the most obvious being its banger of a display and support for two additional external monitors with the lid open. 

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You just can't argue with the display here. Apple's Liquid Retina screen looks as good as ever on the Air M4, with crisp, well-defined text,  smooth, vibrant video, and support for 1 billion colors. It's all here, and it's made even better while connected to additional monitors, sealing the MacBook Air's place as a top-tier productivity device.

Apple MacBook Air M4

There's a little bit of glare, but the display looks good as ever.

Kyle Kucharski/ZDNET

This long-awaited feature is another way to bring the MacBook Air more in line with the MacBook Pro. In my initial testing, the Air seamlessly connected to dual displays via one of the two Thunderbolt 4 USB-C ports. 

I use a Windows device as my daily driver, and although I've used Macs for many years, I forgot how effortlessly the MacBook Air can handle multitasking through a combination of the Launchpad, split screen, and talking directly to the new and improved Siri. Additionally, improvements to how windows are tiled are extremely satisfying for those of us who like our desktops arranged in a particular way. 

Productivity powerhouse

While on the topic of productivity, the new Center Stage feature that we first saw on the MacBook Pro and iMac last fall is now loaded on the MacBook Air. To me, it seems less like a standalone feature in its own right and more like the inevitable future of webcam technology. 

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If you're unfamiliar, Center Stage keeps you focused and centered no matter how you position the device, improving the experience by handling the logistics. If you're anything like me, taking video calls is an everyday part of work, and hopping on a call with the MacBook Air M4's 12MP webcam is a joy. 

To me, this is how webcams should work. Apple's innovation here presents a polished experience that looks fantastic on the Air's Liquid Retina display and is equally enjoyable for work or personal calls with FaceTime over Wi-Fi. 

In this vein, one of the new software features that also made me think, "Wait, why didn't this exist before?" is the Presenter Preview function. This lets you preview how your screen share will look before you actually share, giving you a moment to preview how participants in the meeting will view your camera and desktop.

Also: This ultraportable Asus laptop gives the M4 MacBook Air a run for its money - and it looks great

The support for additional displays, higher memory capability, and a suite of fine-tuned software improvements define the MacBook Air M4 as an improved powerhouse productivity machine. All of the upgrades on their own might appear to be small changes, but they add up to paint a picture of a device that's come into its own as "THE" productivity laptop for modern professionals. 

Stay tuned for a more in-depth review of the MacBook Air M4 over the course of the next few days as I continue testing its features and pushing its capabilities to the limit. 

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