Notice: If your PC does not already have Windows 10 installed, you can install it using the guide here.
How to activate Windows 10 with a product key.
- Update Windows
Navigate to Settings > Update & Security > Windows Update.
Click the “Check for updates” button.
If there is an update available, please complete it before continuing.
If it says “You’re up to date” please continue.
- Activate Windows 10
Navigate to Settings > Update & Security > Activation.
Select “Change product key”, and enter the 25-character product key.
Select Next to start the activation.
Activation Error: If you receive an activation error please run through the general troubleshooting steps.
- Check Activation
A message will say “Windows is activated” or if you have a Microsoft account linked to your PC “Windows is activated with a digital license linked to your Microsoft account”, either of these messages confirms the activation was genuine and successful.