Where to keep 'logout' option in windows 8 surface tablet native app?

1. How to log out of Windows 8?
2. How do I log out of my Microsoft account?
3. How do I log out of my Microsoft account on all devices?

How to log out of Windows 8?

When viewing the desktop, press Alt+F4 (also the standard shortcut for closing most windows). In the Shut Down Windows dialog that appears, select “Sign Out” from the drop-down menu and then click OK.

How do I log out of my Microsoft account?

To sign out of your Microsoft account, in the upper-right corner of any Bing.com page, click your account name. 2. On the account menu, click Sign out.

How do I log out of my Microsoft account on all devices?

In the upper right corner, click the Account icon (this may display as your profile image), and then click Profile. On the Profile page, click the Sign Out Everywhere link. Click Yes to confirm.