Method 1: Disable and Turnoff UAC in Windows 7 from Control Panel
1. Access User Control Panel from Start Menu -> Control Panel -> User Accounts and Family Safety -> User Account
2. Click on User Account Control settings link.
3. Move the Slider to Never Notify
4. Click OK to make the change effective
5. Reboot.
Method 2: Disable UAC with Registry Editor (Regedit) in Windows 7
1. Run Registry Editor (RegEdit) by typing regedit at command prompt or at startmenu->run
2. Locate following registry key:
HKEY_LOCAL_MACHINE"Software"Microsoft"Windows"CurrentVersion"Policies"System
3. Locate the following REG_DWORD value:
EnableLUA
4. Set the value of EnableLUA to 0.
Optional step to suppress UAC permission prompt dialog,
1. Locate the following REG_DWORD value:
ConsentPromptBehaviorAdmin
2. Set the value of ConsentPromptBehaviorAdmin to 0 (optional).
Now Exit from Registry Editor and Restart the computer.