Microsoft has rolled out a significant update to Windows 11 that improves game compatibility on Arm-based laptops. The enhanced Prism emulation layer now supports AVX and AVX2 instructions, allowing previously incompatible titles to launch. However, reports indicate performance varies widely across different games.
Major Update for Windows on Arm Gaming
Microsoft has reportedly delivered a substantial improvement to Windows 11’s capability to run PC games on Arm-based laptops, according to sources familiar with the latest OS update. The October 2025 update (KB5066835) brings significant enhancements to Prism, Microsoft’s emulation layer that enables x86 applications and games to operate on Arm processors like Qualcomm’s Snapdragon X series.