Mirthgirl would like to log into her Mac remotely. Leo says she can do it by going into Settings, then into Sharing, and she'll see several settings including File Sharing, Remote Management, etc. She should also go into the iCloud control panel and turn on "Back to my Mac." Apple has a tech note on how to do this here.
If she can, she should set up her router for it as well. The Mac has instructions for it in the settings where "Back to My Mac" is located. Once enabled, then she'll be able log into the mac remotely with her home computer. It will appear as a shared folder in the left side of her Finder window.