Matlab2016 extract error during installation

hi can someone help me in installation of matlab 2016, during the extraction of files i receive always a message "You need to have the following volume to continue extraction!! Have someone any idea about this msg please my extraction was stopped ,and the instllation also !

[Walter Roberson]

Did you download the two .iso files and put their content into the same directory, and now when you run the installer it asks you to insert the second DVD ?