This is not Adobe. This is a user to user forum. Because of the generality of your question, it sounds like you believe that you have contacted Adobe.
If you want Adobe (via its Adobe Chat) installation help, you might click on the following link, and, when it opens, select the statement "I still
need help" to bring up the Adobe Chat to discuss "Downloading, Installing, and Setting Up".
The important initial questions
a. On what computer operating system do you want to install Premiere Elements 12?
b. Do you have installation files downloaded from Adobe or installation disc from box packaging of the product purchased from an
c. Have you tried to install the program yourself and run into problems? If so, what kind?
Here is an Adobe document on the subject of product installation
If you want input here on installation of Premiere Elements 12 on a user to user basis, please supply more information as indicated above.