[header] How to clean acrylic windows [title] Blow away dust or debris. [step] To remove dust or debris from acrylic windows, use a blow dryer on the coolest setting. Hold the blow dryer 3-4 inches away from the window and cover the surface evenly, going from side to side. 
Be sure not to heat the plexiglass as doing so might damage. [substeps] Use an extension cord to ensure that you are able to use the blow dryer evenly in front of your windows.