How to Find out My Windows 7 Product Key

1. Click 'Start' on the computer's desktop taskbar.
2. Right-click 'Computer' from the 'Start' menu.
3. Select 'Properties' from the context menu.
4. Find the 'Windows Activation' heading in the 'Properties' information window.
5. Locate the 20-digit alphanumeric product key beside the 'Product ID' label.
6. Write down the product key for future reference. You can't copy and paste the information from the 'Properties' information window.