Introduction
Whether you’ve just built a new computer or are re-activating a computer that previously had Windows 10 activated using a product key, In this article, I will be showing you how to activate Windows 10
During Windows 10 installation process, you’ll be asked to input your 25-character product key. Entering it at this stage will activate it for you so you’re ready to go as soon as the installation is complete.
If you don’t have your product key ready during installation, you can still proceed and activate later. Once Windows 10 is installed, you can activate it with your key using the next steps.
1. Click the Start button and then click on Settings .
2. Click on  Windows isn’t activated, Activate Windows now
3. Click Change product key
4. Type the 25-character product key, and then click Next
Then click Activate
5. Congratulation, your windows is now activated, click Close
