Question about full-time tiny home on wheels

My wife and I's tiny home on wheels will be finished being built within a month or so and we have a lease signed with an rv park for a lot to put it on. The delivery will not include setup.

What exactly will we need to set up the show? there are not many videos online going into detail for this. it will be on a concrete slab.

mainly what is essentialy to living in it safely?