Searching for "iMovie 10.3.3 DMG" often leads to unofficial hosting sites. You should be aware of the risks involved with non-App Store downloads:

Released as part of the 10.3 cycle, this version introduced and refined several key capabilities: Cinematic Mode Editing

: Full support for editing videos recorded on iPhone 13 (and later) in Cinematic mode, allowing users to adjust focus points and depth of field directly in the inspector. Silicon Optimization

Downloading and installing iMovie 10.3.3 DMG is a straightforward process: