To try our free games, open the software, and select the 'Play Money' option.Then simply choose the game you want to play. If you run out of play money chips, take a seat at a ring game table and you'll receive a free top-up.
If you want to switch between the "real money" and "play money" modes, then this can easily be done in the lobby of the poker room. Download PokerStars and log in to poker client.In the main lobby, on the upper right corner, you can see tabs "Real Money" and "Play Money".