How to stop Window Automatic Update ?

Method 1

1. Open Task Scheduler.
2. Go to Task Scheduler Library > Microsoft > Windows > UpdateOrchestrator.
3. Disable the UpdateAssistant & UpdateAssistantCalendarRun.
4. Go to Task Scheduler Library > Microsoft > Windows > WindowsUpdate.
5. Disable the Automatic App Update.

Method 2

1. Open Microsoft Management Console.
2. Press Ctrl + M.
3. Click on Group Policy Wizard, Finish then OK.
4. Go to Local Computer Policy > Computer Configuration > Administrative Template > Windows Component > Windows Update.
5. Double-Click Configure Automatic Updates.
6. Disable it and save.