This directory contains a package for McStas 2.4 on * macOS 10.12 Sierra (Fully supported, both perl and python tool sets) * Mac OS X 10.11, 10.10 and 10.9 (Fully supported, both perl and python tool sets) * Mac OS X 10.8 (Partially supported, perl tool set works and python might...) Please also read the README.TXT included inside the tgz packages! After completing installation, please place the enclosed mccode_config.py file in your folder /Applications//McStas-2.4.app/Contents/Resources/mcstas/2.4/tools/Python/mccodelib/ If you experience issues with unpacking / installing these tgz files, please try the corresponding zip file in ZIPfiles