If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows, or use Fix Windows update issues to step you through the troubleshooting process. If the upgrade is available, you can choose to install it. If you want to install the upgrade now, select Start > Settings > Windows Update > Check for updates. After that, your device will be running Windows 11. Also note the following:
You'll then need to restart your device and complete the installation. Choose a time that works best for you to install the upgrade. When the Windows 11 upgrade is ready for your device, it will be available to install from the Windows Update page in Settings.