One of the best feature changes in Windows 7 is the greatly improved User Account Control system, with a slider to easily control how much the security feature annoys you.
Disable UAC With a RegistryEditor
Since the only way to completely disable UAC in all versions of Windows 7 is a registry hack, you'll need to head to the start menu search box and type in regedit.exe and browse down to the following key:
Over on the right-hand side, you should see a setting for EnableLUA, which you'll want to customize as follows:
- UAC Enabled: 1
- UAC Disabled: 0
You'll need to reboot for the setting to take effect, whether enabling or disabling.