Go to the release page, and click Assets -> download zeno-linux-20xx.x.x.tar.gz.
Then, extract this archive, and simply run ./launcher (launcher.exe for Windows), then the node editor window will shows up if everything is working well.
There are some example graphs in the graphs/ folder, you may open them in the editor and have fun!
Hint: To run an animation for 100 frames, change the 1 on the top-left of node editor to 100, then click Run.
Also MMB to drag in the node editor, LMB click on sockets to create connections. MMB drag in the viewport to orbit camera, Shift+MMB to pan camera.
More details are available in our official tutorial.
If you find the binary version didn't worked properly or some error message has been thrown on your machine, please let me know by opening an issue on GitHub, thanks for you support!