Download 1. Click Download File. 2. Saves the file on your desktop. Install 1. Double-click the new icon on the desktop. (For example labeled HLDS BH20N-C106.zip). 2. Extract or unzip to "C:\DELL\DRIVERS\BH20N_C106" (Example path) . 3. Choose update file from [Win] if you install in Windows enviroment or [DOS] folder if you install in DOS enviroment. 3. Double-click the installation file and follow the on-screen installation instructions.