Run Activation Troubleshooter Enter the correct and genuine product key General steps to activate ... bear in mind that activation depends on what type of Windows 8.1/10/11 license for your ...

Microsoft has confirmed that users can no longer use old Windows 7, 8, and 8.1 keys to activate Windows 11 ... buying a Windows 11 key is now your only option unless you are willing to source ...

Usually, you'd activate Windows 11 (or 10) using the Settings app to enter the product key. However, if you're in an enterprise environment and you have a specific type of activation key ...

The activation key is tied to your email account ... everything about how to activate your copy of Microsoft Office on Windows 11/10. The procedure is the same for Office 365 license keys.