How to Stop Windows 10 Update Permanently

_ Solution 1. Disable Windows Update Service

Step 1: Open Service window

1. Press Windows key and R key together to open the Run dialog.
2. Type services.msc in the box.
3. Click OK or hit Enter to continue.
4. 

   Step 2: Disable Windows Update service

1. In the services window, please find out the Windows Update service and double-click it.
2. In the popup window, change the Startup type to Disabled. Then change the Service status to Stop.
3. Click Apply and OK to execute the changes.

Solution 2. Change the Registry to Stop Windows Update

Step 1: Open the Registry Editor

1. Press Windows key and R key together to open the Run dialog.
2. Type regedit in the box and click OK to continue.

Step 2: Find out Windows folder

Navigate to the Windows folder based on the following path:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU

Step 3: Change Value

From the right panel, double-click on the NoAutoUpdate (REG_DWORD) and set its value to 1. Click OK to confirm. After that, restart your computer to stop Windows 10 update.