1. Download the M-Map zip archive file from https://www.eoas.ubc.ca/~rich/map.html 2. Unpack the zip archive and its sunfolder in the path: /Applications/MATLAB_R2015a.app/toolbox/ 1) find the Applications folder, right click it and left click Open Applications ; 2) find the icon Matlab_R2015a, right click it and left click Show Package Contents ; 3) double click the folder toolbox ; 4) move the unpacked M-Map folder to the folder toolbox . 3. Open Matlab GUI, and run the following command: addpath /Applications/MATLAB_R2015a.app/toolbox/m_map 4. Update the cache file using the command: rehash toolboxcache 5. Finish! Test M-Map using the commands: m_proj('oblique mercator'); m_coast; m_grid; M_map_GettingStarted.pdf