The article attached to this Knowledge Base will cover the steps to use SendSecure with a personal sharing link. It will cover the prerequisites that are required and will also provide screenshots of what the page will look like.
If you are looking for help on how to use Opentext CoreFax, the Knowledge Base for that can be found at the link below:
https://moravian.teamdynamix.com/TDClient/288/Portal/KB/ArticleDet?ID=4664