Transcription: The next thing you'll want to learn is how to size a window. Now if a window can be sized, it will have these little lines down in the corner. See the three lines? And you can size a window by holding down the mouse and dragging it. And when you let up on the mouse, it changes the size of the window and you can drag it back. The nice thing about windows is every corner can be sized. And you notice when you're on the right side, if you hold down the button, and drag it in. You can make it narrower, hold down the button, drag it out to the right. You can make it wider. The top corner lets you ma ...