Since your Product ID contains "OEM," your copy of Windows was pre-installed by a manufacturer (like Dell, HP, or Acer). Use these methods to find your actual key:
Using a valid product key for Windows 7 Ultimate offers several benefits: Since your Product ID contains "OEM," your copy
The product key you provided ( 00426-OEM-9141204-13000 ) appears to be an OEM (Original Equipment Manufacturer) key, which is typically used by computer manufacturers to activate Windows on their devices. Since your Product ID contains "OEM
When you install Windows 7 Ultimate, you are prompted to enter the product key. Once you enter the product key, the software checks it against a database of valid product keys. If the product key is valid, the software activates and you are able to use it. Since your Product ID contains "OEM," your copy