today after installation from student server , of staad pro (version 20.07.11.70) ,while activating the license from product activation wizard ,an option came for choosing the checked out license,after choosing it,i saw it will expire in 2 days on 03/18/2017. what should i do after that ?please help.
You don't need to check out the license. So please proceed with the activation process without checking out any license and you should be fine.