Features for Windows 11 are constantly being added and updated, and all of them (including major updates) are delivered to your device from the Windows Update page in Settings. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.
The latest Windows update is Windows 11, version 22H2, also known as the Windows 11 2022 Update.
Also, note the following:
To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them.
Check for updates
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 you're warned by Windows Update that you don't have enough space on your device to install updates, see Free up space for Windows updates.
If you experience internet connection issues while updating your device, see Fix Wi-Fi connection issues in Windows.