Dear Muhamad,
you may download 30-days free trial from Optiwave’s website at the following link.
https://optiwave.com/members/USER NAME/evaluation-license-downloads/
Please send email to my colleague Sawyer (sawyer.ge@optiwave.com), who will provide you with a quote. Please provide your contact information.
Which University are you affiliated with? Did you ask the university to buy the software?
Regards,
Ahmad