: Confirm your motherboard has "CSM" (Compatibility Support Module) options in the BIOS, as Windows 7 often struggles with pure UEFI environments. Phase 2: The Installation Process Boot from USB Boot from USB: Enter BIOS (F2/DEL) and set
NVMe SSDs: Windows 7 does not recognize modern M.2 NVMe drives.
Installing a "remastered" version of Windows 7—typically a community-modified ISO like Windows 7 Image Updater Windows 7 SP2 (Unofficial) What You’ll Need