For an item purchased in June 2012 (only to fax document types ".doc" or other) it is amazing that the installation CD-ROM provided does not include self running with Windows 7. Ergonomics n is not at the rendezvous. The fax software (classic phone tools of avanquest) provided (cd-rom) plant with windows 7, pretends to no dlls, use by another user (etc). This is the worst "together" I've had 20 years to send faxes with my successive windows machines 95, 98, XP and kind PhoneTools software or other (above). I managed to send faxes with the basic function of Windows 7 (after 4 hours galley with classic phone tools that I actually uninstalled). usr robotics (I had the modem brand previously) had accustomed us better .... Note: the usb cord ridiculous usr robotics (6 centimeters 10 centimeters cord as mentioned in another comment include detail usb proper) inappropriate to a desktop computer (modem hangs at the end of his short cord) ...