Hi Heiner2013, You can download and install the webcam software from Here. As far as the finger Reader application is concerned, try to download it from My Dell Downloads. It would be mentioned as Digital Persona.  First, you would need to register your computer. Once done, you will be able to download and install it. Please ensure to use Internet Explorer as only Internet Explorer is supported on this web site. Hope this helps.
Good afternoon!! I have a Dell Vostro 3750. I need the software for the webcam and Finger Reader. In the Dell site are not it.  Where can i get the software for web cam y el fonger reader????. Please i need link.. Note: In the Dell site only are the driver.    
Help!! Software for WebCam y FingerReader