I can give you some tips on putting up Christmas lights in your windows! First, make sure you have the right type of lights for your windows - you'll want to use lights that are specifically designed for indoor use. Next, make sure you have a ladder or step stool so you can easily reach the top of your windows. Then, decide how you want to arrange the lights - you can do a simple line along the window frame, or you can get creative and create a pattern or design.