1. Define your Aztech Modem device model.
2. Define your operating system to install your Aztech Modem device. Note:
Update Drivers in Win Vista
3. Browse Modem Drivers.
4. Find Aztech Modem Drivers.
5. Select Aztech Modem USB External UM 9100 Driver 3.20.04 WinXP.
6. Download Aztech Modem USB External UM 9100 Driver 3.20.04 WinXP. Note: you can update all Drivers automatically with
RadarSync (Freeware) or
Driver Detective (Shareware).
7. Install Aztech Modem USB External UM 9100 Driver 3.20.04 WinXP.
8. Restart or reboot your computer to finish your driver installation. Note: you can
backup your computer drivers before updating.