Issues installing Graphic Design 2020.Error while adding my info: "please connect to internet to sign in". BUt my internet is up and running

PLEASE HELP , I purchased , downloaded and tried to install the CORELDRAW Graphics 2020, and every time I try it gives me an error saying to connect to internet to sign in , MY INTERNET IS WORKING JUST FINE, i called the technical support number but no one speaks good english and dont seem to understand my problem! What do I do?I need help , I have a deadline for a project and I Paid for the software why is it so hard to get someone to call me and help?what a shame, Such a great software but HORRIBLE TECHNICAL SUPPORT AND CUSTOMER SERVICE!!!