Follow this link to get the latest version of Unity
https://unity3d.com/get-unity/download
Clone this repository with the following command
git clone https://github.com/fi-content2-games-platform/FIcontent.Gaming.Enabler.GameSynchronization.git
Open the example scene:
FIcontent.Gaming.Enabler.GameSynchronization/Assets/GameSynchronization/Examples/Scenes/MasterServer.unity
Hit play and enjoy!