Disable User Account Control (UAC) completely

1. Start the Start the registry editor
2. Navigate to the path HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System
3. Set the EnableLUA (DWord) entry to 0
4. Restart

Save and execute the following file by double-clicking on it. Confirm the query(s) and restart.

EnableLUA.reg

Windows Registry Editor Version 5.00
 
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System]
"EnableLUA"=dword:00000000

New-ItemProperty -Path HKLM:Software\Microsoft\Windows\CurrentVersion\poilicies\system -Name EnableLUA -PropertyType DWord -Value 0 -Force

Changing this entry grants full administrator rights under Windows. This should only be used by experienced users and administrators who know what they are doing. Always remember: the user account control is a PROTECTION DEVICE, which is hereby overridden.