Close an app in Windows 8.

Try this:

1. Move the mouse to the top left corner so the menu appears.
2. Right-click on it to close.

Or do it like a pro windows 8er:

1. Move the mouse to the top left corner so the menu appears.
2. Hold the left mouse button on the one you want to close.
3. Drag it to the bottom of the screen. (See image)
4. Release the mouse button.