The WinFast PVR2000 WDM Crossbar Windows driver is a software driver for the WinFast PVR2000 TV tuner card by Leadtek. This card allows you to watch and record television on your PC. The WDM Crossbar driver specifically deals with the WDM (Windows Driver Model) interface, which is a standard for multimedia devices such as video capture cards, TV tuners, and other related hardware. The Crossbar functionality refers to the connection between video sources (like TV signals) and video outputs (like your PC's display or video recording software).

This driver allows your computer to interact with the WinFast PVR2000 card, enabling functions such as capturing TV broadcasts, scheduling recordings, and other video-related tasks.