![]() ![]() In this case you have to install the Microsoft Visual C++ Redistributable Package which you'll find at Microsoft. ![]() The reason for this problem is that on your system either the CRT runtime libraries are missing or the version installed is too old because FreeCAD was linked against a newer version. The reinstallation of the application may solve the problem. On some older Windows XP systems you may get an error message like this: The application can't start, because the side-by-side configuration is wrong. If nothing helps, tell about it on the forum, there will surely be someone who can help. Also, read the rest of this FAQ as it can give you more clues to detect the cause of the problem. Try starting FreeCAD from a terminal (type freecad at a terminal prompt, FreeCAD on some systems) to see if some error message appears. There might be a lot of reasons for that, the most likely is that some library is missing. Troubleshooting FreeCAD doesn't start at all Some specific file formats such as Collada or DWG also require extra components, which cannot be bundled into FreeCAD, and must be installed by yourself separately.Īll those components and the appropriate way to install them are listed on the Extra python modules page. If you installed FreeCAD from unofficial sources, however, or compiled FreeCAD yourself, some piece might be missing, which is not critical to FreeCAD itself, but might cause some functionality to be unavailable. All the main required components are usually bundled within your FreeCAD installation or provided by your package manager, so normally you have nothing to worry about. Access to the source code is explained here, and we have detailed instructions for compiling on Windows, Linux and macOS.įreeCAD tells me some module or application is missingįreeCAD depends on a lot of things to offer all its functionality. Compiling FreeCAD yourself allows you to use the most recent features being developed, but requires a bit of computer knowledge, although the procedure is fairly simple. The source code of FreeCAD is always available in the project source code repository. What if I want to compile FreeCAD myself? There are no builds available for the PowerPC architecture. Only the MacIntel architecture is supported. See the multithreading page for more details. In case of problems, refer to the Troubleshooting section of this FAQ.įreeCAD's underlying geometric modeling kernel, the OpenCASCADE Technology (OCCT) third-party library, has only partial multi-threading support at this time. The only prerequisite is that your graphics card or chipset must support OpenGL, preferably no older than v2.0. If your computer is running a current operating system, chances are FreeCAD will run. In contrast to most 3D CAD software, FreeCAD can run smoothly on the most modest computers - it's been known to run on Pentium IV and Intel Core2 Solo CPUs. ![]() What are the prerequisites for running FreeCAD? For further details about installation, refer to the installing page for your operating system ( Windows, Linux or Mac). On Ubuntu, the FreeCAD team also maintains its own PPA repositories. If you are on Debian, Fedora or Ubuntu and some other distributions, FreeCAD is already included in the standard software repositories and you can simply install it with the software manager. If you are on Windows or macOS, the simplest way is to head to the Download page, where you'll find several ready-to-install packages. Installation What is the easiest way to install FreeCAD on my system? Then, if you cannot find an answer for your specific question, head to the FreeCAD forum! If you have a problem or question regarding FreeCAD, check below first. ![]() This page attempts to answer the most common questions asked on the FreeCAD forums. ![]()
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