To use Tableau Public
To use Tableau Academic licenses
Tableau Desktop and Tableau Prep Builder are free for students and instructors around the world. Tableau for Students (K12 and postsecondary) at accredited academic institutions worldwide are eligible for a free one-year license to activate Tableau Desktop and Tableau Prep Builder.
Fill out a form at https://www.tableau.com/academic/students
See Tableau Academic Programs for more information at https://www.tableau.com/academic