Download Windows Rhino 6 installation file from GitHub. Install the plugin and restart Rhino. Type any command from the list above in the Rhino command bar. Some of the commands might not work ...
A cross platform (macOS and Windows) ui scaffold for Rhino for macOS and Rhino WIP for Windows that uses Eto WebView or Winforms WebBrowser for UI (Webkit via ETO on macOS, Trident/IE on Windows).