This process enables several modern features that Windows XP lacked:
: Because there was no central "compositor" to manage these layers, the dwm.exe process simply was not part of the operating system. What is DWM.exe? What Is Dwm.exe Windows Xp
: If you dragged one window over another and the system was slow, you would often see a "trail" of frozen windows because the underlying app couldn't repaint itself fast enough. This process enables several modern features that Windows