As of right now, Tableau offers its Desktop version under a licensing fee and is not available for free. But Tableau does offer a free trail-period of 14 days to experience Tableau in its entirety to help you decide whether it suits your needs or not.
If you are a beginner, I would suggest you have a look at our Tableau tutorial to understand better. Come and join the Tableau certification course if you are aiming to get trained in Tableau and prepare for the Tableau desktop qualified associate certification exam.
Watch our experts deliver Tableau training for beginners to help you get-go.