- Download and install GameRanger.GameRanger runs on Windows XP, Vista, 7, 8, and Mac OS X. 
- Create a new free account.GameRanger will prompt you to create a new GameRanger account or use an existing one, and you will need to enter your valid e-mail address. You should use the address your friends are most likely to know. 
- Activate your account and log in.Within minutes you should receive a confirmation e-mail to activate your GameRanger account. If it's not in your inbox, try looking in your junk folder, and mark it as a trusted-sender, or "not spam." Adding the sender to your address book is also a good idea. 
- Invite your friends.Under the Community menu, there are various options to invite your friends to try GameRanger. You can also search to see if they already have GameRanger accounts. 
- Host or Join a game.To join an existing game, select a game room from the list and click Join Game. If the game room has a green dot next to it, then it is already playing. Some games do not allow you to join if they have already started. Alternatively, you can create a new game by clicking Host Game.