StarCraft: Remastered

Download the game here or
Run ZClient, drop game exe or lnk to zclient. Also you can make lnk to game and add full path to zclient with exe like this: "D:\ZClient\ZClient.exe" "D:\Starcraft Remastered\x86\Starcraft.exe".
If you create a game behind router – set up port forwarding 6112, TCP & UDP. If it’s not Public IP (depends on your provider) – you can only connect to other peoples games.