How does the Win8 system enable allocation access restrictions?

Assigning access is a setting that restricts the use of only one Windows Store app to a particular standard account. When you sign in with a specific account, you can only use the app, you can't switch apps or close apps with touch gestures, mouse, keyboard, or hardware buttons, and you won't see any app notifications. This article describes how to enable access to the Win8 system:
1. Swipe in from the right edge of the screen, click “Set”, and then click “Change PC Settings”. (If you are using a mouse, point to the lower right corner of the screen, then move the mouse pointer up, click “Set”, then click “Change PC Settings 
2. Click or click “Accounts”,“Other accounts”, then click or click “set the account used to assign access”.
3. Tap or click “Select Account”, then tap or click the standard account you want to use to assign access.
4. Click or click “ select application & rdquo;, then click or click the app you want the standard account to use.
5. Restart your computer and log in using the selected standard account. When you log in with this account, you can only use one app.