Do you have the purchased serial number? What computer operating system?
If you purchased from Adobe direct, you can get download installation files from "My Orders" at the Adobe web site under your Adobe ID and Password (http://www.adobe.com).
Alternatively, you can use the following Adobe document with links to the downloads....
Also, from the following web site as a tryout into which you insert your purchased serial number during installation
To avoid Access Denied message, follow carefully the web site's "Note: Very Important Instructions".
Just in case note...make sure installation files are for your computer operating system 32 vs 64 bit. Two files (.exe and .7z)
Any questions or need clarification, please do not hesitate to ask.
Please let us know the outcome as your schedule permits.