Do any of the following:
Search for an app: Enter one or more words in the search field at the top-left corner of the App Store window, then press the Return key.
Browse the App Store: Click Discover, Create, Work, Play, Develop, or Categories in the sidebar.
Apps shown with the Designed for iPhone or Designed for iPad label are also compatible with Mac computers with on your Mac.
Click your name in the bottom-left corner (or click Sign In if you’re not signed in).
Click the “Purchased by” menu, then choose a family member.
Click in the > System Settings, then click your name at the top of the sidebar.
If you don’t see your name, click “Sign in with your Apple Account.”
Click Media & Purchases, then choose your options.