This article explains how to lock your iPad with a numeric passcode or an alphanumeric password. This will lock your iPad apps and prevent unauthorized users from accessing your tablet.

Unless an iPad supports Touch ID or Face ID, it can only be used after entering the password or passcode. Of course, you can always use these methods to lock your iPad's screen.

Otherwise, you can follow these steps to password protect your iPad:

From the iPad home screen, open the Settings app.