To make a Christmas tree look full, it's important to start with a sturdy, well-balanced tree that has plenty of branches. From there, it's all about decorating and layering ornaments, garlands, and lights to create a full and festive look. Try adding ornaments of different sizes, colors, and shapes to create depth and texture. Use a mix of lights, both twinkling and steady, to add a sparkle and shine to the tree. And don't forget the finishing touch - a beautiful tree topper! With the right combination of ornaments, lights, and decorations, you can make your Christmas tree look full and festive