How do I shuffle Slideshow Photos?
I have created an album in Photos for an event and I was hoping to use the Slideshow function. How do I shuffle the photos in the Slideshow? I know in the old times of iPhoto that you were able to do this. I have just spent the time putting over 600 photos in an album from many, many years and would like to shuffle them!!!!!
MacBook Pro (Retina, Mid 2012), OS X El Capitan (10.11.5)