The latest version of iTunes now comes installed with macOS Mojave. Upgrade today to get your favorite music, movies, TV shows, and podcasts. iTunes is also where you can join Apple Music and stream — or download and play offline — over 50 million songs, ad‑free. Aug 16, · Hi, This is the extract from download previous Purchases: On a Mac or PC. Open iTunes. If you’re not signed in, sign in with your Apple ID. From the menu bar at the top of your computer screen or at the top of the iTunes window, choose Account > Purchased.