Pro cleaners reveal the simple, streak‑free method for washing windows—and the common mistakes that make them look worse.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Tom Howley Now that the sun has finally returned, I am noticing all the streaks, smears, ...

On the rare occasions when the weather is truly perfect, you probably enjoy opening your windows to let in some fresh air. On every other day, when they’re closed, you have no choice but to stare at ...