Introduction - If you have any usage issues, please Google them yourself
Fluent Ribbon Control Suite
Fluent Ribbon Control Suite is a library that implements an Office-like (Microsoft® Office Fluent™ user interface) for the Windows Presentation Foundation (WPF). It provides well-customized controls such as RibbonTabControl, Backstage, Gallery, QuickAccessToolbar, ScreenTip and so on. It is bundled with the most up-to-date Office 2010 styles.