To do this, visit the following Microsoft Web site:
If an earlier version of the IntelliPoint software is installed on your computer, download and install the latest version of the IntelliPoint software. Note Before you follow these steps, verify that the latest version of the IntelliPoint software is installed on your computer. This article discusses how to assign these functions to the buttons on your pointing device. The Microsoft IntelliPoint software lets you assign specific functions to each button on your pointing device.