Current Version: 3.3.5 Version History The demo version is fully functional, but export of recordings is disabled. In order to uninstall the demo version, simply drag it to the trash. Screenium is exclusively available on the Mac App Store. A Mac with OS X 10.10 Yosemite, OS X 10.11 El Capitan, macOS 10.12 Sierra, macOS 10.13 High Sierra, macOS 10.14 Mojave, macOS 10.15 Catalina, macOS 11 Big Sur,