IntelliPoint software gives your Microsoft mouse full functionality and lets you customize the mouse to fit your needs. You can reassign each of the mouse buttons, including the wheel button, to perform a command or keyboard shortcut. It also allows you to modify the mouse settings, such as the pointer speed or wheel scrolling rate.
Note: The Download Now link will take you to a page where you must select your operating system and preferred language before you can download the file.
Here's other similar drivers that are different versions or releases for different operating systems: