DIY Window Cleaner! Vinegar comes to the rescue.

Among the 1001 uses for Vinegar, it is also good for cleaning glass, mirrors, and windows. Simply mix 1 cup vinegar (regular store bought white vinegar) with 1/2 gallon of water, add a touch (1/2 tsp) of dishsoap.

I also used a squeegee I pickedup on Amazon for $18:
https://www.amazon.com/gp/product/B09ZXY74K2/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Alley Picked shirts like the one I'm wearing:
https://simpletoncreation.com/collections/shirts