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Home / Get it! / System requirements

System requirements

Software and Hardware requirements for using Open CASCADE Technology 6.7.0.

Open CASCADE Technology System Requirements
Linux Operating System Mandriva 2010, CentOS 5.5, CentOS 6.3, Fedora 17, Fedora 18, Ubuntu-1304, Debian 6.0 *
Windows Operating System MS Windows 8 / 7 SP1 / Vista SP2 / XP SP3
Mac OS X Operating System Mac OS X 10.9 Mavericks / 10.8 Mountain Lion / 10.7 Lion / 10.6.8 Snow Leopard
Minimum memory 512 Mb, 1 Gb recommended
Free disk space
(complete installation)
650 Mb of disk space, or 1.4 Gb if installed with reference documentation
Graphic library OpenGL 1.1+ (OpenGL 2.1+ is recommended)
For Linux:
GNU gcc: 4.0 up to 4.7.3

For Windows:
Microsoft Visual Studio 2005 SP1 with all security updates
Microsoft Visual Studio 2008 SP1**
Microsoft Visual Studio 2010 SP1
Microsoft Visual Studio 2012 Update 3
Microsoft Visual Studio 2013
Intel C++ Composer XE 2013 SP1

For Mac OS X:
XCode 3.2 or newer (4.x is recommended)
Third-party Components ***
FreeImage **** FreeImage 3.16
(support of common graphic formats)
Freetype Freetype 2.4.11 - 2.5.3
(for text rendering)
gl2ps **** gl2ps 1.3.8
(export of OCCT viewer contents to vector graphic file)
Qt Qt 4.6.2
(used by demonstration tools)
TBB **** TBB 3.x or 4.x
(support of muli-threading and parallel execution)
Tcl/Tk For Linux: Tcltk 8.5 or Tcltk 8.6
For Windows: ActiveTcl 8.5 or 8.6
For OS X: Built-in Tcl/Tk 8.5
(used by testing tools)
* Debian 6.0 64 bit is a permanently tested platform.

** The official release of OCCT for Windows contains libraries built with VC++ 2008.

*** The use of third-party components is governed by their corresponding licenses.

**** This product is optional.

Latest news
  • New features to enhance the development process
  • Open CASCADE Technology 6.7.1 is available for download!
  • Open CASCADE Technology 6.7.0 is available for download!

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