How can I download upgrade version for student version ?

I bought SOLIDWORKS 2020 student version at 2021, May. And tried to dwonload of SOLIDWORKS 2021. But I could not download because "Login for full access to the latest SolidWorks release and updates.". My same id, password is not working. I change, changed chagnde Id, passwork but still not working. Please fix it !!!!!!! 

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