Xcode only lets me run for an iOS device (no simulator)

Question

I just cloned a project into Xcode and am trying to run it in the simulator. However, my only option is iOS Device. This is unique to this project only and I don\'t know how to

Answer 1

After restoring from time machine, I had to reinstall the 8.1 simulator (settings > Download) and then adding simulators in "Window > Devices > + > Add simulator"