#KDETip: Resize Window with a Mouse Key Combo You probably already know that you can move a window around by holding the [Alt] key, left-clicking on the window and then dragging. A less-known feature is that you can also resize a window in a similar way: Move the cursor to somewhere near the center-top of a window. It doesn't have to be precise. Then hold down the [Alt] key, click the right mouse button and drag. You will be able to drag the top border of the window up and down. Move the cursor