64-bit. Multilanguage.

SOLIDWORKS Premium 2015 enables you to create, simulate, communicate, and manage your product designs with an extensive range of 3D design solutions. By integrating powerful design tools, including industry-leading part, assembly and drawing capabilities, with built-in simulation, cost estimation, rendering, animation, and product data management, SOLIDWORKS Premium makes the development and sharing of design ideas faster and simpler, resulting in a more productive 3D
design experience.

http://www.solidworks.com/launch/overview.htm