Subscription claim timing for new applied students for the higher education


I might get applied to student program in the higher education on this year. What it takes to get a student licence for the SketchUp studio (55$/yr) - What i need when trying to get student licence from Trimble?

Which point I’m able to claim the student licence and enabled to start using licensed version: Either when I attend to school first day, or before that when i apply the student place? I might be able to get student certificate only after being first few weeks in the school, or even earlier if I have been chosen to have a student place - Even next though is to get the student selection certificate before start of the studies, is that enough to claim for the software’s student licence?