After removing your old bifold closet doors, you could cover your closet with a curtain, a screen, or hanging beads. Or, if you're okay with your belongings out on the open, you could just keep ...

you'll be removing four of the doors' slats to slide shelf boards through. To make your own privacy screen, source two bifold doors with slats. For tools, you'll need a sander, a handheld saw ...