If you are using a Mac, the mouse is fully functional. If you are using a PC, you need to install the tilt wheel driver to make your mouse fully functional.

To install the tilt wheel driver for a PC:

1Insert the provided installation CD in the CD or DVD drive on your PC. The software should start automatically. If it does not start automatically, browse to the CD or DVD drive, then double-click Autorun.exe. The following screen opens:

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