Choose MBR (for older BIOS systems) or GPT (if you need to force UEFI, though MBR is generally recommended for Win7). Start: Click "Start" and wait for the process to finish. Installing Windows 7 32-Bit
Once you have the ISO file, you must flash it to a USB drive to make it bootable. download windows 7 32 iso
Before mounting or burning any Windows 7 32-bit ISO, take these steps: Choose MBR (for older BIOS systems) or GPT
You cannot simply copy the ISO file to a USB drive; you must make it "bootable." you must make it "bootable."