Let’s look at how to activate Windows 7 using an activation key. If you don’t have a key for your version of Windows 7, you can buy it in our catalog at the lowest prices. The key is delivered instantly to your email automatically.
Once you have confirmed that you have an activation key for your specific version of Windows 7 (Pro, Ultimate, Home Premium, etc.), follow these steps:
1) Open any folder (File Explorer) => Right-click on “Computer” => Properties.