Doing thislocks your iPad appsand prevents unauthorized users from opening your tablet.
Otherwise, run with this to password-protect your iPad:
Open theSettingsapp from the iPad Home screen.
Many iPads don’t have afingerprint scanneror support facial identification.

For these iPads, choosePasscodein the left panel.
If the iPad has a fingerprint scanner, selectTouchID & Passcode.
On iPads equipped with facial identification, chooseFace ID & Passcodeinstead.

Only one of these options will be available in the iPad’s options.
TapTurn PasscodeOnin the right panel.
Use the on-screen keypad to enter a passcode in theSet Passcodewindow.

TheiPad can become disabledif you make too many mistakes when logging in with the passcode.
Enter the passcode again when prompted.
pop in yourApple ID/Apple Accountpassword when prompted to do so for verification.

Did you forget your Apple Account password?
Wait while the passcode is set and for the text box or keypad to disappear.
Exit the options app.
However, a few things are still accessible from the lock screen.
Siri is accessible from the lock screen.
On the flip side, Siri allows anyone to set these meetings and reminders.
Consider disabling access toToday ViewandNotification Centerfrom the lock screen.
These items access meeting reminders, your daily schedule, andiPad widgetsyou have installed.
Disable it from the lock screen to make your iPad super secure.
You may want to disable Home Control from the lock screen, also.
Consider turning this off if you have any smart devices that allow entry into your home.
Should You Secure Your iPad With a Passcode?
Passcodes aren’t mandatory, but they’re a good security practice.