If you prefer not to use Windex, mix equal parts water and white vinegar in a spray bottle. Spray the solution on the window and clean with a sponge or cloth. Use a squeegee to remove excess moisture and ensure a streak-free finish.

Wash windows without Windex by using a water and vinegar solution. Apply, clean with a sponge, and use a squeegee for a streak-free finish. This method is effective and environmentally friendly.