A product key is a unique 25-character code that is required to activate a copy of Windows 7 Ultimate. It is used to verify that your copy of Windows is genuine and to prevent piracy. The product key is usually provided by the manufacturer or retailer when you purchase a new computer or a copy of Windows.
The product key format 00426-OEM-9141204-13000 is specific to OEM (Original Equipment Manufacturer) copies of Windows 7 Ultimate. OEM copies are pre-installed on computers by the manufacturer, and the product key is embedded in the BIOS or stored on a sticker on the computer. A product key is a unique 25-character code
Q: What happens if I don't activate Windows 7 Ultimate? A: If you don't activate Windows 7 Ultimate, you will not be able to access all the features of Windows, and your operating system will eventually expire. A: If you don't activate Windows 7 Ultimate,