You won’t find it on the main App Store page — Apple only shows the latest version there. But here’s the trick:
If you have never owned iMovie, you have a legal hurdle. Apple no longer sells iMovie 10.1.9 directly. However, if you own a Mac that cannot run beyond High Sierra, Apple Support can sometimes grant a legacy download. imovie 10.1.9 download
| Feature | iMovie 10.1.9 | Modern iMovie (2025) | | :--- | :--- | :--- | | | Sierra (10.12) – Mojave (10.14) | Big Sur (11.0) or later | | Hardware Required | Intel Core 2 Duo | Intel Core i3 or Apple M1/M2/M3 | | Export Speeds | Slower (CPU-bound) | Very fast (GPU/T2/Metal engine) | | Magic Movie | No | Yes (AI auto-editing) | | Storyboards | No | Yes (social media templates) | | Audio Editing | Exact waveform trimming | Simplified waveform | | Stability on Old Macs | Excellent | Unusable (crashes on launch) | You won’t find it on the main App