Note for Windows® Vista® operating system users For the best Microsoft Hardware device and software performance, you must install all of the important and recommended Windows updates from the Windows Update control panel. Do you have questions about Microsoft hardware products? We provide a range of support options to help you find answers. Select a link below: Product Documentation Find the latest product documentation for your keyboard, mouse, or desktop set. Microsoft Hardware Product Solution Center Visit a Solution Center for information about your product including troubleshooting steps, solutions to common issues, Knowledge Base (KB) search, how-to articles, and latest downloads. Contact Us Online customer service, product help and support, sales and licensing and more. Download Software Download the latest version of mouse and keyboard software. Product Registration You can register your Microsoft products over the Internet. »  Make sure your workplace is a healthy place. »  Don't miss out on special offers on Microsoft hardware. »  Keep your hardware up to date with the latest software. »  Get the latest documentation for your hardware products.