Enhanced Performance: Microsoft Unveils Prism Emulator for x86 on Arm, Doubles Speed with 87% Popular Apps Arm-Compatible

Microsoft explains the issue of supporting legacy x86 Windows apps on Arm architecture Copilot+ PCs, as follows:

The majority of frequently used apps (87% of all non-gaming apps) already have a Windows Arm version available
The new emulator named Prism outperforms the Snapdragon X Elite when running Prism against the Snapdragon 8cx Gen 3 running Windows 11 22H2 emulator, showing more than 2x performance improvement
Microsoft’s own supported apps include Microsoft 365 apps such as Teams, PowerPoint, Outlook, Word, Excel, OneDrive, OneNote
Other company supported apps include Chrome, Spotify, Zoom, WhatsApp, Blender, Affinity Suite, DaVinci Resolve, Camo Studio, CapCut, Cephable, djay Pro, LiquidText, Luminar Neo, VMware Horizon Client, and Adobe apps
Slack announces the release of a Windows Arm version later this year
Microsoft is aiding in pushing enterprise apps to support Arm64 through their App Assure program
The Configuration Manager and Surface IT Toolkit UEFI Configurator IT management tools now fully support Arm64

TLDR: Microsoft is improving support for x86 Windows apps on Arm architecture devices, introducing new tools and enhancing performance for a better user experience.