When you start it up you get a 'blank' project. So just go to Project -> Add Folder to Project... and you're done. In fact, it even remembers this so you're go

When you start it up you get a 'blank' project. So just go to Project -> Add Folder to Project... and you're done. In fact, it even remembers this so you're good for as long as you want to be single-project, too.