The first step in setting up a real Christmas tree is to find the perfect spot for it. Make sure the area is clear of anything that could get knocked over or damaged by the tree. Next, remove the tree from the box or bag and untangle any branches. Place the tree in the desired location, ensuring that it is straight and balanced. Once the tree is in place, use the screws or bolts provided to secure it to the stand. Then, you can begin decorating the tree with lights, ornaments, and other festive decorations.