Tried several free wares (not a MAC user) but none work

. Maybe have not searched diligently for something that would work

. Would be great to have a saved filled up form and just change pertinent info instead of entering info each time.
I cant really test the PC stuff, so others may comment on that.
The good news when storing a full application as PDF files on a Mac, is that you can search the whole thing electronically. The data you entered and any text in the forms.
And if people have an application lost in the mail, regenerating the whole application is easy.
It would have been much better to send applications on disk (with selected original documents), the postal charges would have been a lot less.