Cliquer sur «Telecharger» ci-contre et le téléchargement débutera !
Keep your favourite applications up to date, and even install new versions of macOS, without ever having to launch the App Store, using mas and the Terminal. How to Update Mac OS X System Software Without Using the Mac App Store. Get started by launching Terminal, found in /Applications/Utilities/. How to download macOS Catalina installer without Mac App Store. By Imran Hussain. Oct 7, 2019. Share Tweet Submit.