The weather has been so nice here in Texas that I've been coming up with any excuse to be outside, including washing windows. I know... it's torture but somebody has to do it. It may as well be me on a beautiful day.
What you need:
2 cups water
1/4 cup vinegar
1/2 teaspoon dish soap
What you do:
Pour all ingredients into the spray bottle. Give it a shake. It's That Easy!
The hard part is spraying, scrubbing and wiping all of the windows again and again and again. For a streak free shine use old newspaper instead of paper towels. I say old because I've more than once used sections of the paper Mr.Perfect hadn't read yet... oops!