Itunes M4a Music Download Install ((full)) May 2026

What is M4A? M4A is the file extension for MPEG-4 Audio. It is the default format used by Apple for music purchased on the iTunes Store and for songs ripped (imported) from CDs. It generally offers better sound quality than MP3 at the same bitrate.
The Review: iTunes is a competent music player and organizer. However, on Windows, it can be somewhat heavy on system resources. The interface is clean, but it is designed primarily to integrate you into the Apple ecosystem (Apple Music, iTunes Store).

Part 3: Syncing M4A Music to iPhone/iPad

Once the music is "installed" in your iTunes library on the computer, you likely want it on your mobile device.

File Association: After installing, Windows may not automatically set iTunes as the default player for M4A files. You may need to right-click an M4A file > Open with > Choose another app > Select iTunes (and check "Always use this app").
Conversion: If you need to share the file with someone who doesn't use iTunes, M4A is widely compatible, but some very old players require MP3. iTunes can convert M4A to MP3 (Preferences > Import Settings > MP3 Encoder), though this may slightly reduce audio quality.
The "Mobile Device" Service: iTunes installs several background services (Apple Mobile Device Support) intended for syncing iPhones/iPads. If you only use iTunes for music, these can be annoying. You can disable them in Windows Task Manager > Startup apps, but they may re-enable when iTunes updates.

Open iTunes.
For Mac users: You may find the iTunes Store in the sidebar. (Note: On newer macOS versions like Catalina and later, the Store is integrated into the Apple Music app).
For Windows users: Click the "Store" tab in the top navigation bar.

Shut down iTunes.
Copy the entire iTunes Media folder to an external hard drive or cloud storage (Google Drive, Dropbox).
If your computer crashes, you can drag this folder back into iTunes to restore all your M4A files instantly.