How to Log off a Computer. Multiple users are can set up their own accounts on the same computer. Just follow these steps.
Click on the "Start" button on the taskbar.
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Click the "Log Off" button in the Start Menu.
Choose one of the options that appear in the Logoff menu. You can elect to immediately switch to a different user, or you can choose to log off entirely.
Switch users to change from one account to another without completely turning off another user's settings. It is important to note that if you want to shut down another user's applications, you must log them off completely, otherwise they will continue to run in the background.
Choose the "Log Off" feature to completely turn off your settings and return Windows to a neutral setting. This setting lists the available user accounts.
Press Ctrl-Alt-Delete to bring up the Task Manager. From the Task Manager you have access to a number of other functions for logging off the computer, as well as changing its current status (to "Standby" or "Hibernate," for example). These options are available from the "Shut Down" drop-down menu.
Right-click on the taskbar to access the Task Manager. This is a shortcut to the Task Manager, bypassing the Ctrl-Alt-Delete command.