Download Radio Silence Upgrading from an older version? Don’t worry, the new installer automatically imports your settings. Download Radio Silence Version 3.1, requires macOS 10.15+. All versions of Radio Silence Download Radio Silence 3.1 for macOS 10.15 and newer Download Radio Silence 2.3 for macOS 10.10—10.14 Download Radio Silence for OS X 10.9 Download Radio Silence for OS X 10.6—10.8