how to stop windows 10 update popup

To do so:

1. Press "Ctrl + R" to open the Run command.
2. Type in "services.msc"
3. Scroll down until you find "Windows Update"
4. Right click "Windows Update" and select "Properties"
5. Click "Stop" to stop the service from running.
6. Under the Startup Type, select the dropdown box "Disabled" to prevent it from starting again.