Go the Android Market on your cell phone. Use the search function and enter the following search: "pdanet" (without the quotes). Open the PdaNet 3.02 application -- this is the latest version as of the date of this publication -- and download and install it on your Android.
Install the PdaNet onto your PC or Mac. Go to JuneFabrics.com and select your computer's operating system. Download and install the program and restart your computer once installation is complete and you are prompted to do so. Once your computer restarts, you will see the PdaNet icon tray on your computer.
"Tether" your Android to your computer by hooking it up with its USB cable.
Open PdaNet on your Android and tap "Enable USB Tether" to enable your Android to act as the modem for your computer.
Click the PdaNet icon on your computer and choose "Connect." This will connect your PC to the Internet via your cell phone. The icon will blink for a few seconds and the turn blue. You are now connected to the Internet.