Mission for changes in 2015 release
Autodesk Product Design Suite is a comprehensive toolset of design, visualization, simulation, and data management software for digital prototyping.
Product Design Suite 2015 Editions
Premium 
Solution for mechanical engineers and electrical engineers, providing the functionality for complete digital prototyping with integrated simulation, control systems, tooling, and visualization. Includes:
- AutoCAD
- AutoCAD Mechanical
- AutoCAD Raster Design
- Vault Basic
- 3ds Max Design
- Inventor
- Navisworks Simulate
- ReCap
Ultimate 
Enables industrial designers and project managers to utilize specialized tools for project management and for incorporating industrial design aesthetics into 3D designs. Includes Premium, plus:
- AutoCAD Electrical
- Inventor Professional
- Navisworks Manage
Product improvements and additions
-
Support for Windows 8.1 Operating system
- Added support for Windows 8.1 64-bit
- Continued support for Windows 7 32-bit and Windows 7 64-bit