Preventing update to Windows 10 from Windows 7/8.1
Many Windows 7 and Windows 8.1 users will want to keep their current operating system.
To disable the Windows 10 update notifications, follow these steps.
For a permanent disabling, follow steps 1, 2, and 3.
To leave open the possibility of a future OS upgrade, follow steps 1 and 3, skipping step 2.
1) Uninstall the following updates through Windows Update, if they have already been downloaded.
For Windows 8.1:
Run these 2 batch files (Administrator rights may be required).
A reboot will be prompted after each KB is uninstalled.
Information on KB2976978
For Windows 7:
Run these 2 batch files (Administrator rights may be required).
A reboot will be prompted after each KB is uninstalled.
Information on KB2952664
2) Apply either group policy updates, or 2 registry updates recommended by Microsoft.
(Download the registry updates here – Registry Update File)
Microsoft has details of the registry changes here: KB3080351
Keys:
Subkey: HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
DWORD value: DisableOSUpgrade = 1
Subkey: HKLM\Software\Microsoft\Windows\CurrentVersion\WindowsUpdate\OSUpgrade
DWORD value: ReservationsAllowed = 0
3) Manually hide updates KB3035583, KB2976978, KB2952664 using the Control Panel.
