While these apps were originally free for users who purchased new Macs after October 1, 2013, existing users on older systems like Mountain Lion (10.8) often sought the last compatible versions (such as iMovie 9.0.9 or GarageBand 6.0.5) before the "iLife '13" transition.
If you are running an older operating system (like High Sierra 10.13), the App Store may allow you to download the "last compatible version" if you have previously "purchased" or associated these apps with your Apple ID. ilife 13 download full dmg hot
Introduced a completely redesigned interface, new sharing features like iMovie Theater, and better integration with iOS. While these apps were originally free for users