| Sticker on Laptop | Required ISO Version | | :--- | :--- | | | Home Basic OEM | | Windows 7 Home Premium | Home Premium OEM | | Windows 7 Professional | Professional OEM | | Windows 7 Ultimate | Ultimate OEM |
Search for: "Lenovo Windows 7 Professional x64 Recovery ISO" + [Your Model Number]
A automatically checks your BIOS for an SLIC (Software Licensing Description Table) key. This means:
Note: Do not download "Modified" or "Gaming Edition" ISOs from random forums. They often contain malware and will not accept your genuine Lenovo OEM key.