Here it is:
In the solution, left click the 3 dots and go to Edit:

On any of the flows inside the solution, do the same thing:

Here, click Save As, and that should give the user the option to pull it down into their local PAD:

This copy in their local PAD will be separate from the saved version online. This is good when you want to have a master copy online, but each individual needs their own, such as for usernames and passwords. He/She can make changes to the flow and save it on their local machine w/o altering the original flow.
Good Luck!