Solved
I am a returning user and want to install MathCad to a new computer.
I want to install MathCad to a new computer. I keep being told I don't have access.
If you are transferring a license to a new PC, you must use the following:
Transferring Mathcad License from Existing Host ID to New Host ID
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.