Is it better to have a PC on a desk or floor?

Developed by neuroscientists and physicians, Apollo Neuro improves your body's resilience to stress, so you can focus, get to sleep, and stay energized. Apollo doesn't track your health, it actively improves it.

Your floor almost certainly has more dust, hair, and other detritus on it than a desk or table Even if you have your PC on a desktop, you'll want to dust it occasionally with some compressed air. But your PC will likely suck in more dust and debris when it's on the floor.

It doesn't make any difference in the operation of the unit. 

Put it wherever you want it. 

Floor. More room on your desk.

From the standpoint of dust and dirt clogging your PC it's always best to keep it off of the floor where it doesn't suck dust and dirt from off of the floor.