Standard PS/2 Serial Port Keyboard - Offers 104 keys, including navigational controls, full functions and a 10-key keypad. Ample Wire Length Connection - Keyboard's 5-ft. wired connection gives you plenty of room to setup your keyboard where you want it. Comfortable Switch - Provides you with improved typing speed and accuracy. PLUG AND PLAY - No additional driver needed. Compatible with Windows 7, Vista, XP, 2000 and 98. Please Note For the first time, please plug it into the PS2 port on your computer and restart the Computer.