Student account not updating

[Hab]

I have downloaded Vectorworks 2020 onto my Mac through the student portal, I used it for 30 days which then was asked to see proof of my enrollment to go past the 30 days. I have added my document to prove I am a student, and "updated" it but have not been able to use Vectorworks since my 30 days is up even though I added my proof of enrollment - when i open my Vectorworks app it asks me for a serial number but the only one I have is the one from before my trial expired. If anyone knows how to fix this please let me know! Thanks in advanced.

[JuanP]

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