As of 2026, downloading Google Chrome on macOS 10.15.7 (Catalina) requires using an older version, as current Chrome releases require macOS 11 (Big Sur) or newer. Here is how to get a working version on Catalina:
While Safari remains the default browser, many users find that Google Chrome offers superior speed, extension support (especially for Google Workspace), and cross-platform synchronization. However, downloading the correct version for an older (yet still supported) OS like 10.15.7 can be tricky. Download Chrome For Mac 10.15.7
googlechrome.dmg file in your "Downloads" folder and double-click it.Final Compatible Version: The last version of Chrome to officially support macOS Catalina was Chrome 128. As of 2026, downloading Google Chrome on macOS 10
The Official Support Status As of early 2024, Google’s official support for Chrome on macOS 10.15 (Catalina) has entered a transitional phase. Historically, Google maintained a broad support window, but the release of Chrome 116 marked a turning point. While Chrome has officially dropped support for older macOS versions, users running 10.15.7 often find themselves in a precarious position: the "latest" version of Chrome may refuse to install, or the browser may stop receiving critical security updates. Open the DMG file: If it didn't open
/Users/YourUsername/Library/Google/GoogleSoftwareUpdate/ and delete the folder.Before we dive into the download process, it is important to understand why you cannot simply click the blue “Download Chrome” button on Google’s homepage.