"Experimental" option not showing up after reseting settings

Okay, has anyone else experienced this issue? See, I’m trying to get the new Microdisplacement option to work in 2.78 (which in and of itself caused issues). To solve it, someone suggested I try resetting the program to its original factory settings. Unfortunately, this is what happened when I did so:

Even after I added some of the add-ons, the option to switch over to “Experimental” still never popped up. Is this a bug, or am I clearly doing something wrong and can’t figure it out?

Change to the Cycles Renderer

See that’s the problem, I did, then I applied a subsurf to the cube in the scene. This is what it showed instead of any options: