Change Store Restrictions settings in Screen Time on Mac
Use Store Restrictions settings in Screen Time to restrict purchases.
To change these settings on your Mac, choose Apple menu > System Settings, then click Screen Time in the sidebar. (You may need to scroll down.) Click the Family Member pop-up menu on the right and choose a family member (if you’re a parent/guardian in a Family Sharing group), click Content & Privacy, then click Store Restrictions.
Choose allowed rating levels for movies, TV shows, and apps.
Allow other types of content:
Turn any option off to restrict that type of content.
Allowed on iOS
Allow actions on an iOS or iPadOS device:
Turn the options off to restrict these actions.
Password & Security
Require a password for making purchases: