Software and Hardware requirements for using Open CASCADE Technology 7.5.0.
Open CASCADE Technology System Requirements
|Minimum memory||512 MiB, 1 GiB recommended|
|Free disk space
|650 MiB of disk space, or 1.4 GiB if installed with reference documentation|
* The official release of OCCT 7.5 for Windows contains libraries built with VC++ 2017 64 bit.
Third-party Components **
(support of common graphic formats)
(for text rendering)
For Desktop: Qt 4.8.6+
For Android: Qt 5.3.2+
(used by demonstration tools)
|TBB||TBB 4.x or 5.x
(extended support of muli-threading and parallel execution)
For Linux, macOS: Tcl/Tk 8.6.3+
For Windows: ActiveTcl 8.6
(used by testing tools)
(for VTK Integration Services)
** The use of third-party components is governed by their corresponding licenses.
Each third-party component is needed only for relevant OCCT module or functionality and can be omitted if it is not used.
Refer to the Third-party Components page to download archives with precompiled binaries and source files of 3rd-party products for building Open CASCADE Technology and samples.