I just purchased Mathcad Prime 3.1. I only want to install Mathcad 15.0. I do not want Prime on my computer. I did download the file for Mathcad 15. Can this be done? Are there written instructions to do this? Instructions to do what I want are not with t

I just purchased Mathcad Prime 3.1. I only want to install Mathcad 15.0. I do not want Prime on my computer. I did download the file for Mathcad 15. Can this be done? Are there written instructions to do this? Instructions to do what I want are not with the delivered software or on the website (where I searched).