1) Go to the VisualGPSce website:
http://www.visualgps.net/VisualGPSce/default.htm
2) Click on Download VisualGPSce
3) Go to Download (Install from PC) and click on that file
4) Follow the onscreen instructions
5) You will get the installation message on the PDA, click yes to accept and OK to any other messages
6) Go to programs and start VisualGPSce (you will get an error message)
7) Accept the usage agreement

Click OK on the error message
9) At the bottom of the screen, click on the 'Connect' botton
10) Click on the 'Serial Port (Comm Port)
11) Change the Port to: COMM4:
12) Change the Baud rate to 9600
13) Click 'OK'
14) It is now up and running. It can take a while to get it locked at first.
Good Luck