What computer operating system is involved?
When you use a redemption code, it is my understanding that you aim for getting the purchased serial number and it is that serial number that you use during the program installation. Where is that serial number now?
If you have previously download and installed Premiere Elements 11, there is a possibility that your product got registered to your account at Adobe.
Please consider looking into that by going to the Adobe web site, signing in with your Adobe ID and password, and navigating to your account and products listed for you under that account. That listing should include serial number.
Do you have installation files or installation disc for Premiere Elements 11 for your specific computer operating system? If you need them to use with the purchased serial number that you need to have, then download and install those files from
Please consider and let us know if any of the above worked for you.
Add On...The Adobe Document on Redemption Codes
My suggestions to you for resolving your Premiere Elements 11 install issue appear to have been repeated a minute later.
Nevertheless, please do not hesitate to ask more questions and ask for clarification if you have problems getting the details together for a successful Premiere Elements 11 install.
You're reply wasn't there when I saw the first post.