Help with changing username and password

I tried to update my password and this link https://www.jotform.com/verifyemail/Y2thc3BhcjExQGdtYWlsLmNvbQ==/dcc7289004f016f58b0448b736a513cb/update/?utm_source=general&utm_medium=email&utm_content=btn_verify_email&utm_campaign=verification_email

gave me an Not valid link Invalid link message

When I tried to change my username it said to contact you.

Hi!

Our apologies for the inconvenience. Kindly clear your browser caches, or user incognito mode and try resetting your password account. You will receive a new password reset link.

Your account is active and in good standing.  

Let us know should you need further assistance.