Green side up!
Sod is a living plant and should be installed as soon as possible after delivery.
When installing the sod, start from an area furthest from where your material is stored and work your way back to it. This will prevent you from working over the area that has already been installed. If you have a big area you may want to put a little water on the area installed to avoid it drying out. Lay the sod in a brick pattern as you install it. You want your seams to be alternating instead of them all lined up. This will avoid water drainage channels as a result of all your seams lining up. You’ll need a sod knife to cut the sod to the correct size and dimension. Always cut the sod on the dirt side. This will make the cut easier.
Watch The Sod Guy install sod in a front yard using time lapse video. This will demonstrate each process described above.