Many people are accustomed to open many windows when they before computers, and then the taskbar will be crammed with the taskbar buttons soon. Sometimes the the buttons are so much that it is difficult to switch to another window through click the taskbar button because you can not discern the text of taskbar button. CleanTaskbar can help you to keep your taskbar clear and solve this problem. Now, it has a new function : Always on Top, you can set a window to stay on top of any other windows by a simple click.