Whether you’re equipping a home, a shop, or a commercial building, door hardware is what makes everyday access smooth, secure, and long-lasting. But in real installations, customers often ask about windows at the same time—so the best approach is to understand how door hardware works alongside the matching window parts: window hinges, window friction stay hinges, window handles, friction hinges, and window locks. Below is a practical explanation of the three essentials—hinges, locks, and handles—and how they connect to window performance.