When learning how to clean windows at home, remember that the same high-quality window washing tools the pros use are readily available online, at home centers and in full-service hardware stores.

Use two different scrubbers—one for inside and one for outside—so you don't carry pollutants and bird excrement inside. Any kitchen dish liquid cleans dirt and grease and leaves the glass slippery so ...

Dear James: My new house has many windows and I have a problem cleaning them without leaving streaks, especially on the south-facing ones. How do professionals clean them? — Alex J. Dear Alex: You ...