Your device may not be able to update to the latest version of Windows 11 for a few reasons. Have issues installing Windows updates? Start here. If you're looking for info on how to activate Windows 11 or to verify that your installation of Windows 11 is activated, see In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. This article will help you answer questions and troubleshoot common problems with your Windows 11 update.