The wizard then displays the driver it found:

Depending on which card you have installed, one of the following adapters will be listed:

DS3/E3/HSSI WAN Analyzer (Digital)T1/E1 WAN Analyzer (Digital)T1 WAN Analyzer (Serial)

9.Click Next.

Windows informs you that the driver lacks a Microsoft digital signature:

22Updating the WAN and 10/100 Drivers