Newton MessagePad: Where to Locate Windows Serial 9600 Driver

I removed the Serial 9600 driver from my Newton 2.x OS device, and did not have a backup of my data. I would like to reinstall the Serial 9600 driver. Where can I get this driver?
The Serial 9600 driver is not available separately. However, it is included in the following products listed below, which are available on the Apple Software Updates sections online.
Product name
Online Filename
Newton Backup Utility 1.0.1NBU101EN.ZIP
Handwriting Instructor and TourTOUR_HWI.ZIP
Newton Package Installer 2.0WINNPI2.EXE

This article can help you locate the software update mentioned in this article:
Published Date: Feb 18, 2012