On the first launch, it may ask to download additional content and "Essential Sounds".
Note: This guide assumes you want to run GarageBand on a Mac running macOS Catalina 10.15.7. Apple distributes GarageBand free via the App Store; other sources risk malware or license violations. Follow these steps to get an authentic, working copy safely.
GarageBand for Catalina 10.15.7 – FREE Download (Official Guide) Garageband For Catalina 10.15.7 -FREE- Download
Why the App Store Blocks the GarageBand Download on Catalina
You do not need to buy a brand-new Mac or upgrade to a buggy, unsupported OS version patcher just to make music. By utilizing the App Store’s legacy download feature, you can safely install a fully functional, official version of GarageBand on macOS Catalina 10.15.7 for free. On the first launch, it may ask to
To download on macOS Catalina 10.15.7 for free, you must bypass the standard Mac App Store landing page, which blocks installations on older operating systems. Because the newest versions of GarageBand require modern operating systems, running it on Catalina requires a specific workaround to pull GarageBand version 10.3.5 —the final version built for Catalina—directly from Apple's official servers.
Open the App Store on their Mac and log out of their Apple ID. Log into their Mac App Store using Apple ID. Follow these steps to get an authentic, working copy safely
However, you can still download a fully functional, official version of GarageBand for your Catalina Mac completely free of charge. Here is exactly how to do it. Method 1: The App Store "Purchased" Trick (Recommended)
The most reliable and official way to download GarageBand for macOS Catalina is through your Mac App Store purchase history. This method forces Apple's servers to recognize your Apple ID and offer the last compatible version for your specific OS. Step-by-Step Instructions: Open the on your Catalina Mac.