Use Nokia PC Suite to move content between the phone and the computer, and get apps or the latest phone software.
You can sync information between your phone and programs, such as Office Outlook, create multimedia messages, or manage your phone’s calendar effortlessly on your computer. You can also connect your computer to the internet with the help of your phone.
For more info about compatible devices, see the list here.
Do you have a Lumia phone? Windows PC users can sync music, videos, and pictures and get the latest phone updates with the Zune PC app. If you’re using an Apple Mac, download Windows Phone 7 Connector for Mac from the Mac App Store.