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Microsoft is testing an update to itsPrism emulation softwarethat adds support for running more CPU features under emulation.
The change will help non-native Arm applications run better on thebest Copilot+ PCs.
The new feature is in testing among Windows Insiders in the Canary Channel.
Microsoft rolled outBuild 27744to the channel recently.
Interestingly, support for additional extensions is notentirelynew.
Adobe Premiere Pro 25 already uses some of the newly supported extensions when run through Prism emulation.
Windows does not require those extensions to run, but many apps rely on them.
The new CPU features are limited to x64 applications running through Prism emulation.
Below, I’ve reshared thefull change login Build 27744 shared by Microsoft.
Avoid if:it’s crucial that you use apps that do not work on Windows on Arm PCs.
Starting with Build 27744, the support is being opened to any x64 app under emulation.
you’re able to see some of the new features in the output of a tool likeCoreinfo64.exe.
Note that in todays preview, only x64 applications can use these new CPU features.
Thanks for helping us improve emulation on Windows.
