Imovie 10.3.3 Download [best] Site
If you have downloaded iMovie at any point in the past with your Apple account, you can often trigger a "legacy" download that matches your current OS.
Downloading typically involves a specific workaround because the Apple App Store usually only offers the latest version (currently 10.4.x), which often requires a newer macOS than what older hardware can support. Official Method: Using Your Purchase History Imovie 10.3.3 Download
A prompt should appear asking if you want to download the for your Mac. Accept this to get the version that matches your OS, such as 10.3.3 for macOS Monterey. If You Haven't "Purchased" iMovie Before If you have downloaded iMovie at any point
You can temporarily sign in to a friend's Apple account on your Mac if they already have iMovie in their purchase history. Once you download the compatible version through their account, you can sign back into your own. Accept this to get the version that matches
: Open the App Store and click on your account name in the bottom-left corner. If you have downloaded iMovie before, it will appear in your Purchased list.