First

How to use

Set Rider as the default External Script Editor

This only needs to be done once.

1. Open Unity.
2. Go to Edit → Preferences → External Tools.
3. Select "Browse" in the External Script Editor dropdown and select the Rider application.
   1. On Windows, navigate to %APPDATA%\Microsoft\Windows\Start Menu\Programs\JetBrains Toolbox and select "Rider"
   2. On Mac, select ~/Applications/Jet Brains/Toolbox/Rider.app or /Applications/Rider.app
   3. On Linux, select rider.sh

Install the plugin into your project

This needs to be done for each project.

1. Import RiderPlugin.unitypackage in Unity.