Windows 11:

1. Click on Start Menu -> Settings
   
2. Click on Windows  Update
   
   
3. Click on Check for Update or Install All
   
   
4. You may need to click Restart Now to complete updates.

Windows 10:

1. Click Start Menu > Settings.
   
   
   
2. Click Update & Security.
   
   
   
3. Click Windows Update.
   
   
   
4. Click Check for updates.
   
   
   
5. Click Restart Now.