For converting bifolds into french doors you have two options 1st option remove the roller pin thingy pretty sure that is it s technical term.
How to convert bifold doors to french doors.
So when the bi fold door on the closet in our bedroom broke off the track and was beyond repair i decided to use it as an opportunity to turn it into a set of french doors.
You can keep the doors so that they pivot on the already existing pins like this closet door makeover.
This is one of those things that when it breaks turns out to actually be a blessing in disguise.
Depending on your closet you could attach the magnetic catch to the door and the metal plate inside the closet whatever works best for you.