It is quite natural that the individuals would always be worried about buying or installing the full version of the game until they have tested the trail version of the game. The same phenomena would have been followed by the individuals with regard to the use of the full versioned casino games. When the individuals have tried playing the free version of the game and hence might want to shift to the full version they should be able to understand the simple and easy to follow steps so as to get the job done at the earliest.
As you already have the free version of the game all that you should do is to open the game and let it load completely until the main menu is displayed. Once you are able to see the main menu you could continue to open it and then click on the Unlock and Buy button that would let you continue with the process of purchasing the full version of the game. Not all the games would be designed with the same naming terminology and hence one should find the appropriate button to buy the full versions of the games without having to argue that you could not find the buy button.
Once you clicked on the right button you should now be able to understand one fact which is the vast number of collections per casino game that is available in online mode. One you have picked your choice and confirm the purchase there are no more additional steps except for installing the version and then start playing it as much time as you want or else play it as much money as you could invest in the game. Hope you would now agree to the fact that the process of buying the casino games is quite easy.