THE user account, which uniquely identifies each person who uses the computer, is an essential component in security and in providing a personalized user experience in Windows. Windows 7 allows you to restrict access to your computer so that only people you authorize can use the computer or view its files. User accounts in Windows 7 provide the means by which you can
Require each user to identify himself or herself when logging on.
Control access to files and other resources that you own.
Audit system events, such as logons and the use ...