Download the latest version from Read First DVDFab 188.8.131.52 is out at beginning of this section.
You will need to get a new key with auto send under support or contact on DVDFab.com. You will need the email address that you used to purchase or the last one you changed. If email address has changed, you can use the same place to update your new email address.
You can install version 3 without uninstalling version 2.