To clean window screens, take out them and vacuum or brush them to remove dust. If they have to have a deeper clean up, wash them with a heat, sudsy mix, then rinse and permit them to dry fully. Spray the solution everywhere in the window. Spray The within of https://dailyspecter.com/achieve-spotless-surfaces-with-pure-water-cleaning-the-ultimate-solution-for-window-and-building-cleaning/