Install the Visual C++ Redistributable for Visual Studio 2015 (x86) to run the server.
Available at https://www.microsoft.com/en-us/download/details.aspx?id=48145
Start the server from command prompt from the path you extracted it to, at SANCTIFICATION/release/bin/CardgameServer.exe 8080
You must use port 8080.
When the server is running, two clients can connect. The game will start when two players have successfully connected.