The WinFast TV2000 XP Expert WDM Crossbar driver is associated with the WinFast TV2000 XP Expert TV tuner card, manufactured by Leadtek. The TV tuner card allows users to watch and record television on a PC. The WDM Crossbar driver specifically is a Windows driver that ensures compatibility with the Windows Driver Model (WDM), a framework for drivers in Windows, which allows video and audio devices like the TV tuner to function properly with the operating system. The Crossbar part of the name refers to a specific part of the driver infrastructure that helps route and manage video and audio signals between devices and applications.