If you specifically need 10.3.3 because the latest version is "incompatible" with your Mac, follow this official workaround from the Apple Support Community Check your Purchases: Mac App Store and click your name/profile at the bottom left. Find iMovie: Locate iMovie in your "Purchased" list. Download Compatible Version: Download (Cloud)
If your DMG installation leads to errors where items cannot be shared: Reference Bug: imovie 1033 dmg new
In this article, we will explore everything you need to know about the iMovie 10.3.3 DMK (Disk Image), including its features, installation process, system requirements, and whether downloading this "new" old version is safe. If you specifically need 10
: Click your profile name/photo in the bottom-left corner to see your purchased apps Download iMovie : Find iMovie and click the Cloud download icon Confirm Older Version : A prompt will appear: : Click your profile name/photo in the bottom-left
Requires macOS 11.5.1 or later (though 12.3 was recommended for full feature support).