If you are running Windows 98 and plug the connector into the computer, you may find a pop-up window that requires to insert the Windows 98 CD-ROM. Please follow the window install the required driver or set the driver path as "Windows\system" or the other path that the driver located. 1) Please tum off the computer. 2) Plug the keyboard PS/2 connector into the keyboard part of the computer. ‘USB Version: 1) You may tum on the computer. 2) Plug the keyboard USB connector into the USB port of the computer.