The instructions on the MyJH Software page for creating an account and getting Matlab installed are a little confusing. Hopefully this illustrated version will clarify things.
First, create a profile at https://mathworks.com/accesslogin/createProfile.do. (If you try to create a new profile for an email address that already exists, then it will simply redirect to the login page.)
Then sign in through your University’s website:
Then you need to create an account (even though you already have a profile):
It should then take you to the licensing center where you can download the installer. If you are prompted for your password when installing, it’s looking for your computer password and not the Matlab password:
