Cinnamon repositories
This page lists the available Cinnamon repositories. None of them are officially supported.
Download
Version: Tumbleweed http://download.opensuse.org/repositories/X11:/Cinnamon:/Current/openSUSE_Tumbleweed/
Version: Leap 15.4 http://download.opensuse.org/repositories/X11:/Cinnamon:/Current/openSUSE_Leap_15.4/
Version: Leap 15.3 http://download.opensuse.org/repositories/X11:/Cinnamon:/Current/openSUSE_Leap_15.3/
Installation
You can either use the direct repositories listed above, or for simplicity, use the one-click installation below.