Windows 7 bootable USB drive for repair restore reinstall operating system,
If you have misplaced or lost Windows 7 CD or you have a pc / laptop which came with preinstalled Windows 7 but you did not create restore media or your pc / laptop does not have DVD drive or drive is faulty then this could be your answer.
Installes any version of Win 7, home basic, premium, Professional, Ultimate 32 / 64bit versions.
There is no key number, you have to use existing / your own key number.
Please note that you have to change pc setting or be able to boot from USB port via BIOS settings.