Welcome to TRO (Tabletop Roleplay Online)! TRO is the original and best way to play Tabletop (or Pen and Paper, if you prefer) RPGs over the internet. What's more - it's free! Always has been, always will be. That said, donations are always welcome. If you've no idea what's going on, you may wish to check the FAQ; for help.
The latest release of TRO is always available on the download page.