Hello, I would like to know if there is a possibility for a student to renew his license for desktop. When I searched on Google, it said we can renew the license for a student, but I couldn't find any kind of information about it on the official website.

If you are an active student using Tableau as part of course work see your professor who will know how to -- if you are not actively taking a course using tableau as part of the curriculum then you will use the free Tableau Public download here https://www.tableau.com/products/public/download