AutoCAD LT 2015 - 5 User Pack Upgrade from Previous Release (2009 to 2014) Productivity: Enhanced 2D drafting tools and features minimize repetitive tasks and help users work more quickly and efficiently Reliability: AutoCAD LT is based on AutoCAD software technology, a design platform trusted by millions of professionals for over 30 years Compatibility: TrustedDWG technology helps ensure that files are compatible with other Autodesk software New & enhanced tools: AutoCAD LT 2015 speeds design with New Tab page, Ribbon galleries, a new Help Screen, and a new interface Beyond the desktop: Users can connect their workflows across integrated desktop, cloud, and mobile AutoCAD solutions