Windows are among the most expensive things you’ll ever have to buy for your house—costing approximately anywhere from $450 to $1,400 per window, which can obviously add up fast. You also have to ...

Having round windows is usually an aesthetic choice. If you look throughout your home, most — if not all — of the windows you will have are rectangular or square. Those panes of glass with four right ...

Maybe they were just easier to render in older GUIs, and it has just carried on. (and you couldnt call it windows anymore) Because it's easier to describe a square than some flowing wavelike shape.