It can't be done. Unless you can identify the make and model - then download the software from the web.
This one shuld be eassy.First unplug cam usb plug.restart pc.then you shuld be abbl to find a webcam driver app. from Logitech.on a free download.follow install instruck .just about any webcam driver and app will work.you can allso by a webcam that has the drivers and app. install disk, for someware close to $20.00.....Cooool....