Belkin F5D5050 USB to 10/100 Ethernet Adaptor - Networking Adds your PC to your network, easily--through a USB port, Connects your PC to a broadband modem, Installs easily into any available USB port--without requiring you to open your PC case Works with Windows; 98SE, ME, 2000, XP 32 Bit &amp; Vista 32 Bit Installs easily into any available USB port--without requiring you to open your PC case Comes with a Belkin Lifetime Warranty and free, 24-hour technical support Does NOT work with Windows 7, Vista 64 Bit or XP 64 Bit Exchanges data quickly between connected PCs and notebooks; lets you share printers and other peripherals, and communicate via e-mail