Microsoft Brings x64 Emulation to Windows on Arm PCs
Microsoft today announced the first preview of x64 emulation for Arm PCs, with the feature now available to Windows Insiders in the Dev Channel. That means Windows users who have Arm PCs like the Surface Pro X can now install apps that have not been ported to Arm64.

When we first launched Windows 10 on ARM in late 2017, the long tail of apps customers needed were dominated by 32-bit-only x86 applications, so we focused our efforts on building an x86 emulator that could run the broad ecosystem of Windows apps seamlessly and transparently. Over time, the ecosystem has moved more toward 64-bit-only x64 apps and we've heard the feedback that customers would like to see those x64 apps running on ARM64. That's why we are working on expanding the capability of our emulation to include x64 applications and sharing this first preview to gather feedback.
Microsoft says that while it is expanding the capabilities of its emulator, it recommends that developers implement native Arm support for the best possible app experience.
In the new preview, Windows users can install x64 apps from the Microsoft Store or from other locations, with Microsoft highlighting the availability of x64-only apps like Autodesk Sketchbook and games like Rocket League. Other apps will benefit from being run as 64-bit instead of 32-bit, such as Chrome.
Microsoft says that the new emulation feature is still in the early stages of testing and will continue to improve in compatibility and performance over time, and some of the apps that are run in emulation may not work initially.
Users who are expecting a smooth emulation experience should not get their hopes up because as The Verge points out, Microsoft's prior emulation work has not been fantastic, with apps loading and running slowly.
Microsoft has not been able to match Apple's work with Rosetta 2, which is designed to allow M1 Mac users to run Intel-based apps on their machines. Rosetta 2 has proven to be streamlined and speedy, with none of the emulation complaints that Microsoft has faced.
Though an Arm version of Windows is available for PCs, Windows is not compatible with Apple's M1 Macs due to licensing issues. Microsoft only provides Windows 10 on Arm to PC manufacturers to preinstall on their hardware and does not offer a consumer version.
Popular Stories
As previously rumored, the next-generation iPhone 15 Pro and iPhone 15 Pro Max will feature a unified volume button and a mute button, according to leaked CAD images shared in a video on the Chinese version of TikTok and posted to Twitter by ShrimpApplePro.
Instead of separate buttons for volume up and volume down, the iPhone 15 Pro models are expected to have a single elongated button for...
A first-generation iPhone still sealed inside its box sold for $54,904 at auction, which is more than $54,000 over the original $599 price tag of the device when it was released in 2007.
The original iPhone was put up for sale by RR Auction on behalf of a former Apple employee who purchased it back when it first came out. Back in February, an original, sealed iPhone sold for over $63,000,...
While year-over-year iPhone upgrades are not always groundbreaking, new features can begin to stack up over multiple generations. For example, the iPhone 15 Pro will be a notable upgrade for those who still have a three-year-old iPhone 12 Pro.
If you are still using an iPhone 12 Pro and are considering upgrading to the iPhone 15 Pro when it launches later this year, we have put together a...
Apple's high-end iPhone models have started at $999 in the U.S. since they first launched back in 2017 with the iPhone X, but could this finally be the year that starting price sees an increase?
This week also saw some more rumors about Apple's upcoming headset and the company's explorations in the booming AI industry as well as the release of a new round of beta updates, so read on for all...
The iPhone 15 Pro Max will have the thinnest bezels of any smartphone, beating the record currently held by the Xiaomi 13. That's according to the leaker known as "Ice Universe," who has divulged accurate information about Apple's plans in the past.
Both iPhone 15 Pro models are expected to have thinner, curved bezels compared to the iPhone 14 Pro, potentially resulting in an Apple...
While the iPhone 15 lineup is around six months away, there have already been plenty of rumors about the devices. Many new features and changes are expected for the iPhone 15 Pro models in particular, including a titanium frame and more.
Below, we have recapped 11 features rumored for iPhone 15 Pro models that are not expected to be available on the standard iPhone 15 and iPhone 15 Plus:A17...
Apple continues to test iOS 16.4, which includes a handful of new features and changes for the iPhone. Below, we have recapped five new features coming with the software update, including new emoji, push notifications from websites, and more.
Apple says iOS 16.4 will be available in the spring, which begins today. In his newsletter this weekend, Bloomberg's Mark Gurman said the update should ...
Top Rated Comments
Microsoft finally realized that they aren't going to control what the end user buys. They can either play nice and have tons of users or not play nice and never reach certain users. Microsoft absolutely wants you to still run Windows if you have a Mac.
This article and a lot of commenters are pretty biased. I'm already doing some tests with Win10ARM on my M1 Mac. 32-bit applications are running surprisingly well (Not perfect but plenty functional). Comments saying Microsoft are copying Apple are pretty darn laughable. You think Microsoft threw this together in a couple months? This has been an ongoing project for a long time. ARM has reached a point where it has enough power for both Apple and Microsoft to really start exploring these translation paths to embracing ARM.
I honestly didn't know they were adding 64-bit support too. This isn't Windows RT anymore this is a real player. If they do get it running in bootcamp I can already tell you from the little bit I've played with the VM its going to be a serious grandslam with the best of both worlds.
I'm pretty excited. Incredible progress in very little time.
This would actually be quite a money making opportunity for MS, to sell Windows to Mac users who absolutely need it for whatever reason. Done right it would have near-native performance and be far superior to previous solutions like VMWare's.
100%: Chance that somebody else will do it.