How to adjust UAC settings in Windows 7
User Account Control (UAC) was a feature first introduced by Microsoft in Windows Vista. Designed to protect your machine against hackers and malicious software, UAC alerted PC users any time a program tried to make some kind of change to a computer. However, many Windows users complained the feature was intrusive and became annoying by constantly nagging and asking for permission before software could make changes. When Windows decides your permission is needed, the desktop is dimmed and a dialogue box appears asking you to approve or deny the request.
Microsoft has made the feature "less intrusive and more flexible" in Windows 7 as fewer programs and tasks in the latest iteration of the Windows operating system require you're attention. You can select from four different levels of UAC. Here's how to adjust the UAC settings in Windows 7.