How do you get headphones to work for Windows 7?

To get headphones to work on Windows 7, first ensure they are properly plugged into the correct audio jack, typically the green one. Next, right-click the speaker icon in the system tray and select "Playback devices." In the window that appears, locate your headphones, right-click them, and choose "Set as Default Device." Finally, check the volume settings to ensure they are not muted or set too low.