Putting lights on a Christmas tree can be a bit of a challenge, but with a few simple tips, you can make the job easy and fun. First, make sure to use lights that are specifically designed for indoor use and have the right wattage for your tree. Second, start by wrapping the lights around the base of the tree and working your way up, making sure to cover all sides. Finally, use clips or hooks to secure the lights in place, making sure they're evenly spaced and not tangled. With a bit of patience, you'll have a beautifully lit tree in no time!