A dish soap solution makes a powerful DIY window cleaner that cuts through grime without leaving streaks. Avoid cleaning windows in direct sunlight and be sure to use clean tools to avoid streaks.

Cleaning your windows may seem like a daunting task, but it doesn't have to be. There are just a couple of things you need: a simple cleaning solution, the right tools, and a foolproof method.

Cleaning the outside of your windows can be a fairly easy job, provided you can actually reach them—just grab a hose and a squeegee and rinse and wipe the glass. But cleaning your windows inside and ...