Have you watched the excellent guides made by @Husky ? These shows how to install, how to script and finally advanced topics that includes the motion tracker software and how you install it. It isn’t that complicated. The most common issue is that people don’t install all pre-requisites or that they use folder paths that includes strange characters or whitespace. Keep folder names simple and make sure you have all additional software installed and it should not cause issues. There are text manuscripts available for the videos if you find reading easier than listening to the text-to-speak narrator in the videos.
https://discuss.eroscripts.com/t/how-to-script-in-openfunscripter-video-tutorial/16637