Windex glass cleaners are designed to get rid of any streaks, contaminants, finger prints, and more off of a piece of glass. These can be used for an array of applications including:
To get your glass object really clean you just need to add a Windex product. Then you wipe the cleaning solution off with an untreated paper towel, newspaper, or lint free cloth. If you don't have any of those you can use an old, clean, cotton diaper. It is important to change the towels every now and then once they become too dirty or wet.