1. Mount/extract the Windows 7 iso image
You will need to mount the Windows 7 iso so you can access the install.wim file or You could even use 7zip to simply extract the contents of the iso...

Windows 7 does not support uefi secure boot, so you may need to disable uefi secure boot feature in bios.

1. Format your F: drive
2. Run Windows Command Prompt (cmd.exe) as Administrator, then run the command below to configure the booting on F:
bcdboot C:\Windows /s F:
3. Reboot the PC, change...