as well as a COMSOL Multiphysics 5.2a folder on the Windows Start menu. To start COMSOL Multiphysics, double-click the desktop icon or select COMSOL Multiphysics 5.2a from the Windows Start menu. For instructions about running COMSOL on Windows 8 and Windows 10, see Running COMSOL on Windows® 10.
The default user interface for COMSOL is a Windows application. There is also a cross-platform user interface that you can start by going to the bin\win64 folder in the COMSOL installation directory and double-clicking comsolxpl.exe. The cross-platform user interface is identical to the interface on Linux and OS X.