To download and install the apps from Windows Store login using Microsoft Account credentials. To log out of the Windows Store, follow the steps below. Step 1: Open Windows Store app, and click on the user icon located on the top right hand side of the window.Step 2: Select the user name, and click on Sign out. Step 3: Close the Store app, open it again, and check if you are logged out of the Microsoft Account in Windows Store.Hope this helps!o log out of the Windows Store, follow the steps below. Step 1: Open Windows Store app, and click on the user icon located on the top right hand side of the window.