If you want to get a student discount(30%), you can take an introduction letter from your university or your Prof. We put a sample that you can use it. If you have any typical letter at your university you can also use it.
Dear Dr. Nasrin Salehnia
Hope that this e-mail finds you well. Thanks for your applicable products in AgriMetSoft. Our Department has decided to order (%Put the name of software%) software package. The (%Put the name of software%) software package is essential for our projects. I respectfully request to do the related process to prepare (%Put the name of software%) license for my students. Student names: (%Put the name of student%)
Thanks for your kind support