Extract the Information Breakdown ToolBox - v.x.x.x folder (x.x.x is the version, e.g., 1.0.1) from the compressed file you downloaded. This folder is the "toolbox folder" which can be placed anywhere on your hard drive. It is suggested that you do not rename the folder.
In the Set Path Matlab window (File>Set Path...) click the Add with Subfolders... button. Navigate to the toolbox folder, select it and save.
Note: it is important that you include the toolbox folder together with all of its subfolders in the Matlab's path in order for the toolbox to work.
Type computer in the Matlab command window: a string will be returned specifying which platform Matlab is running on. Depending on the content of this string proceed as follows: