To log in or join the Mentor Communities, just select the appropriate choice in the upper right corner of the home page:
Returning members: You can use your same log in credentials you have always used. For Mentor product users, this will typically be your SupportNet log in credentials.
New members: Select either the “Join Us Here” button or Log in link from the Mentor Communities home page to access the short registration form.
In this new version, there is a one time “Username” form you will be presented with at first log in. Select the username of your choice. Your First and Last Name should be pre-populated.