Permanently Turn Off Windows 10 Updates

[sjj1805]

Open Windows Explorer and go to "C:\Windows\System32\".
In the search box enter “wuau” to find the following 3 files
wuaueng.dll
wuauclt.exe
wuaueng.dll.mui
Locate each one in turn, right click on it and choose Properties.
Select the Security tab and then click Advanced.
Click Change Owner.
Type your account name (e.g. "Admin") and click OK.
Click Apply and OK at 'Windows Security' information message.
Close the Properties window
Re-open the Properties of the wuaueng.dll file and go again to Security tab > Advanced.
Now select & Remove one-by-one all the users from the list.
Close the 'Properties' window.
Now repeat the above procedure for "C:\Windows\System32.SIHClient.exe”
Open Task Scheduler as an Administrator and locate
Task Scheduler Library -> Microsoft -> Windows -> Windows Update
Right click at Scheduled Start and click Disable
Close Task Scheduler

Now Open Windows Registry as an Administrator.
Navigate to the following locations and in each of these locations change the
Value of “Start” to 4
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsoSvc
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc
Now Navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wuauserv
(you can export this location to somewhere on your computer in case you later want to restore it)
Now delete the entire key.
Open Services.msc as an administrator.
Stop the following services
Windows Update
Windows Update Medic Service
Update Orchestrator Service
Alter their start up type to disabled.
Select the Recovery tab and set the computer's response if the service fails to Take No Action. Then, click OK to close the Windows Update Properties.
Select the Log On tab. Select This Account and enter your (Windows) name
Type a wrong password (twice), and click Apply
In Windows 10 Pro you can also do the following:
open the run command box Type gpedit.msc & Press Enter.
In the Group Policy Editor navigate to the following path:
Computer Configuration\Administrative Templates\Windows Components\ Windows Update
At the right pane, open the Specify Intranet Microsoft update service location policy.
Click Enabled and then type "http:\\neverupdatewindows10.com" in the 2 fields
("intranet update service address" & "intranet statistics server") and click OK

Disable Update and restart and Update and shut down commands in the Start Menu in Windows
Open Windows Registry as an Administrator
Go to the following key (If it doesn’t exist create it)
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
Under the AU key you need to create a 32-bit DWORD parameter NoAUShutdownOption and set it to 1.
In Windows 10, you can use the Local Group Policy Editor app "gpedit.msc"
Go to the Computer Configuration > Administrative Templates > Windows Components > Windows Update category on the left.
On the right, find the Do not display 'Install Updates and Shut Down' option in the Shut Down Windows dialog policy.
Double-click it and select Enabled to turn on the policy, then click OK and Apply.