While the Log off command used to be located with the other power options in previous version of operating system, in Windows 8 it now resides on the Start Screen and has been renamed to Sign out. When at the Start Screen, right click on your user picture in the upper right. When you do, you'll see a menu and will select the Sign out command, as shown in Figure L.
Credit: Images by Greg Shultz for TechRepublic







