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Microsoft is no longer bringing x64 emulation to Windows 10 on ARM
Last December, Microsoft announced that it would bring x64 emulation to Windows 10 on ARM, a feature missing from the fledgling OS. Windows 10 on ARM already supported x86 emulation but making sure you have a 32-bit installer is not ideal. Initially, Microsoft brought x64 emulation to the Windows Insider Program, although you need a preview version of the Qualcomm Adreno graphics driver for some ARM machines that supported Windows 10 ARM.
Since then, Microsoft has released Windows 11, including an ARM version. For some reason, the company has now decided to quietly drop any intentions of integrating x64 emulation within Windows 10 on ARM. Inexplicably, it only confirmed this change in a Windows Blogs post where most people would miss it.
Windows Insider blog. Also at The Verge.
Previously: Microsoft Document Details Windows 10 on ARM Limitations
(Score: 4, Insightful) by Immerman on Friday November 19 2021, @11:51PM
It's a Windows computer - the ONLY reason anyone is likely to buy it is to run Windows software, hence the software *is* designed for it.
ARM is low *electric* power - not low performance. Some of the newer high-performance ARM chips are beginning to rival mid-to-high-end x64 CPUs. And as I mentioned, ARM is already wiping the floor with x64 of a performance-per-watt basis, which means that for a lot of potential laptop and server software, ARM is already the performance leader. It's only desktops where power consumption is mostly irrelevant that x64 still clearly holds the performance crown. (including "foldable desktops" or whatever you'd call high-performance "laptops" whose battery is only good enough to save you from having to shut down while moving to a new power outlet)