Set the Partition scheme to (for older BIOS) or GPT (for UEFI), though MBR is most common for Windows 7-era hardware. Click Start to format the drive and copy the files.
Crucial Checks: Before downloading, verify the SHA-1 checksum matches Microsoft’s official values. For the US English version of Windows 7 Ultimate SP1 64-bit, the SHA-1 should be: 36AE90DEFBAD9D9539E649B193AE573B77A71C83 (Confirm this against a trusted online database). Windows 7 Ultimate 64 Bit Iso