I wouldn't use steam on hardwood floors. If the hardwood is not properly sealed, the water will get in the boards and probably warp them.
What steam cleaner do you have and how would you rate it? I've moved into an apartment and it's bathroom, kitchen and flooring is grim. This isn't a spam, I'm a regular user, although there could be spam in the kitchen tiles. I have hard wood floors.
i dont have one