A widely used community resource for legacy software. You can find "untouched" official ISOs for various editions (Professional, Ultimate) in both 32-bit and 64-bit on Archive.org .
Insert the USB drive into the target computer and boot from it (you may need to change the boot order in BIOS/UEFI). A widely used community resource for legacy software
Right-click the downloaded ISO, select Properties, and click the "File Hashes" tab. Right-click the downloaded ISO, select Properties, and click
(recommended version 4.6 or later) to create your installation media: Windows 7 home premium iso download for 64 bit and 32 bit Right-click the downloaded ISO
Note: Windows 7 is an older operating system that reached end of mainstream support long ago. If you choose to install it, be aware of security risks and driver compatibility issues; consider using a supported OS where possible.