Generally for students there are free versions with a limited validity period for its types of software. If You have the status of student you can correspond with his companies.
Assalamualaikum. As far my knowledge, you can easily model masonry wall in SeismoStruct and most convincingly you just require a student license to use SeismoStruct and no need to have a professional license with payment.
So, just get your student license and enjoy using SeismoStruct.