How do I permanently disable Windows 10 Update Service?

To disable the Windows Update service in Services Manager, please follow the steps below:

1. Press Windows key + R. …
2. Search for Windows Update.
3. Right-click on Windows Update, then select Properties.
4. Under General tab, set the Startup type to Disabled.
5. Click Stop.
6. Click Apply, and then click OK.
7. Restart your computer.