Looking for a DIY alternative? Martha has the solution. While commercial glass cleaners promise a streak-free shine, many come with an ingredient list that’s long on chemicals and short on simplicity.

Mix a gallon of hot water and a nickel-sized drop of dish soap to clean any window like this pro does. Consider your tools—make sure they are not so big that they become unwieldy and unhelpful.

There's nothing like having clean windows, but making them shine can be harder than you think to pull off, as it's easy to be left with marks and streaks. However, your luck may be about to change, as ...