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Microsoft to Launch 64-Bit App Support on Windows 10 ARM PCs next Month

As expected, Microsoft will release 64-bit app support for Windows 10 ARM devices, with a release date set for Build 2018. Currently, the full details aren't clear.


plans to offer 64-bit app support to PCs next month, removing one of the platforms biggest drawbacks. The news comes from general manager for Windows Erin Chappie, who shared the information with Engadget yesterday.

The functionality will come via an SDK for that will be made available to developers. The company plans to announce the project at Build 2018, which will run from May 7–9.

The SDK will officially enable the functionality for both Store and desktop versions, with developers able to recompile their apps. Of course, the advantage for users is entirely dependent on those developers. They're under no obligation to recompile their apps, and will likely wait to gauge the popularity of the new devices.

Performance Worries

So far, emulated x86 apps appear to have significantly decreased performance, but OEMs are at least on board. and Xaomi are both rumored to be working on devices, and the HP Envy x2, Asus NovaGo, and a Lenovo device will launch soon.

In addition, the next generation of ARM devices will run on the 845. Tests with the Galaxy S9 reveal a 25% performance increase thanks to the new chipset, as well as increased battery life. It's difficult to say how these improvements translate ARM, but it can only be positive.

Currently, we don't know the performance developers can expert after recompiling their apps. Theoretically, though, it should be another advantage for users and a welcome addition.

Microsoft will likely get into the details at Build next month, so stay tuned for further information.

Ryan Maskell
Ryan Maskellhttps://ryanmaskell.co.uk
Ryan has had a passion for gaming and technology since early childhood. Fusing the skills from his Creative Writing and Publishing degree with profound technical knowledge, he enjoys covering news about Microsoft. As an avid writer, he is also working on his debut novel.

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