Before you begin, ensure you have the latest software for your Apple TV.
SelectRestrictionsto turn it on.
When asked, choose a four-digit passcode to lock the option.
Apple/Human Interface Guidelines
Choose a passcode you’ll remember easily.
Enter the four digits again to confirm, then clickOK.
The full Restriction menu is now visible and you’re able to further customize the parental controls.
ChooseRestrictto require children to enter a passcode orBlockto prevent them from purchasing or renting anything through the iTunes Store.
ClickIn-App Purchasesand chooseRestrictto require children a passcode for any in-app purchases orBlockto prevent all purchases.
you could also customize your iTunes Store and App Store password preferences through thePassword Settingsoptions on your Apple TV.
Go toSettings>Main Menu.
Pick the app to lock.
key in your current passcode.
Enter the new passcode and re-enter it to confirm.
Apple/Human Interface Guidelines