Have a crane pick up the camper and drop it into your truck bed.
Other than that, you need to purchase a pair of swing out brackets, after all, you will be using the truck with that camper, you will need them anyway.
2021 FORD F350 dually 4x4 with 4.30 gears, 013 Eagle Cap 950, 480 Watts Solar, 3K Victron Multiplus II, Victron smart DC-DC charger, Victron 100/30 solar controller, 250 amps of lithium batteries by LifeBlue