Microsoft confirms Windows 11 26H1 will be for Arm devices only at launch — Snapdragon X2-powered devices officially shipping with 26H1
by editors@tomshardware.com (Aaron Klotz) from Latest from Tom's Hardware on (#73GE2)
Microsoft has released an all-new version of Windows 11, 26H1, that is designed only to support the Snapdragon X2 and unnamed future bleeding-edge hardware. 26H1 will be device-specific, and PCs running Windows 11 25H2 can't upgrade to it.