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 ...

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.