In the dimly lit basement of an old tech shop, Alex found a dusty USB drive labeled with a cryptic string: Windows 11 x64 21H2 Pro 3in1 OEM ESD Multi7
This refers to the original launch version of Windows 11 (Build 22000). Pro: Specifically the Professional edition of the OS. windows 11 x64 21h2 pro 3in1 oem esd multi7 ju hot