You should be using ArchiCAD 11 now anyway:
https://eduregistration.graphisoft.com/
Make sure you give a valid e-mail, and that your spam filter does not block it, since your temporary license ID will be sent by e-mail, according to the site above. Make sure you allow cookies, as indicated on that page.
There is a PDF on the page above the gives step by step instructions for registering and downloading. Please post if following those steps does not lead to success.
😉
Karl
One of the forum moderators
AC 28 USA and earlier • macOS Sonoma 14.7.1, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB