What are the requirements for purchasing applications via the Mac App Store?

The Privacy pane of Security & Privacy preferences can be used to allow or disallow applications' access to Location Services, Contacts, Calendars, Reminders, social network services, and Accessibility application access.

AppleTalk works only with OS X v10.5 or earlier.

The requirements to purchase items from the Mac App Store are OS X v10.6.6 or later, an Apple ID, and an Internet connection.

The master password is used to reset local account passwords.