How do I log out of my Microsoft account after logging in to my Microsoft account when downloading software for Nokia 920 and change it to another account?

Nokia 920 is a Microsoft mobile phone system (windows phone 8). To download software and games in the app store, you need to log in to a Microsoft account on your phone. You can log in to www.live.com to register a Microsoft account. Log out of the Microsoft account you have already logged into on your phone. The account can only be reset after resetting the phone and logging in again. To reset the phone: Settings-About, you will see the following page:

Click Reset Phone, and then log in again with a new account after turning on the phone.