The Color GUIs and User Guide are provided in a zip file: "Color_GUI_V1_EN_R1.zip" 1) Donwload the zip file, and save it in your local hard drive 2) Unzip the GUIs files in the desired PC directory (for example, inside \MATLAB\...). 3) Start MATLAB 4) Add the unzipped folder to the MATLAB search path: - File/Set path/Add with Subfolders... - A new dialog box is opened to select the desired folder. - Select the unzipped folder and press SAVE and CLOSE. - So, the GUIs will be visible independently of the MATLAB working directory. 5) The GUIs are ready to use. In the MATLAB command window call the main start GUI: >> startcolor Also the User Guide can be downloaded individually