Disable UAC With a Registry Hack

• Press [Win] + R or take the RUN option from the start menu.
• Now type regedit there and press Enter Key to open up the Registry Editor Window.
• In regedit go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Policies\System
• In the right pane, right click on EnableLUA and click on Modify
• Change value to 0.
  * UAC Enabled: 1
  * UAC Disabled: 0

Turn off Unused Windows 7 Features

There are many feature in windows 7 that we often don't use.
Disabling these unused features in Windows 7 will really help in speeding things up.

• Open up Programs and Features from Control Panel.
• Click the Turn Windows features on or off from the left pane.
• Now uncheck all the Feature that you don't use in Windows 7 [e.g. "Games"] and restart the system for the changes to take effect.