Windows can present an error during activation for a wide range of reasons, please run through the general troubleshooting steps below in order.
- Internet Connection & Time Settings
Make sure your PC is connected to the internet and that the system date and time is set correctly for your timezone.
- Activation Troubleshooter
Run the Windows Activation Troubleshooter on the Activation page.
- Windows Update
Check Windows Update for any outstanding updates, install and complete any outstanding updates so Windows is fully updated.
- System Restart
Restart your computer and retry activation.
- Phone Activation
Use the toll-free automated phone activation service by clicking Activate by Phone on the Activation page. If you do not see this option, you can load it by typing into the Windows Search Bar SLUI 4, hit enter and it will first ask for your country/region, then follow the on-screen instructions.