Likewise, if you have another Mac, you can copy iMovie to your Catalina. This way, you can get iMovie back to your new macOS in case that it's incompatible with the new operating system. Actually, you can also backup the iMovie app to an external HDD.

You're always recommended to backup data before upgrading your operating system, no matter whether it's macOS or Windows. This article will teach you how to download iMovie for Catalina if necessary. If this is the case for you, take it easy.

If you upgraded to Catalina recently, you'll find out that iMovie is unavailable. It requires macOS 11.5.1 (Big Sur) or later. On October, 2021, Apple released iMovie 10.3 for macOS. It's true that iMovie is free to use on Apple devices, but it doesn't mean you can always use the latest version. There is almost no learning curve and it doesn't cost a penny. It's a light-weight movie maker that can create Hollywood-style movies in a few clicks. IMovie is a must-have video editing app if you're using an Apple machine like iMac Desktop or MacBook. Download iMovie for Catalina (macOS 10.15)

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