Sometimes, servers are busy after a major update (like Windows 10 to 11), causing a temporary error. How to Activate Windows Officially
Upgrading significant components like your motherboard can cause Windows to lose its activation link. activate windows go to settings to activate windows
If you don't have a license, you can select Go to the Store to buy an official digital copy from the Microsoft Store . Troubleshooting Common Activation Errors Sometimes, servers are busy after a major update