Adobe offers the tryout for only for the current version, in this circumstances, Photoshop Elements 12 and/or Premiere Elements 12.
You may be looking at an older link which is automatically converting to the latest version. Be that as it may....
Please go to the following web site and download and install the tryout for Premiere Elements 10 Windows or Mac. It is extremely important that you read carefully the "Note: Very Important Instructions" at that web site and follow them in order to avoid an Access Denied message. The web site address
This web site will not sell you the tryout, but it will let you insert your purchased serial number in it for continuing use of the program. Others have used this route effectively to gain older version in the case of an existing purchased serial number and lost installation disc/files.
Please let us know the outcome.
From the ProDesignTools Web site, be VERY certain to follow their instructions 100%, or you will get "Access Denied." Just a little caveat.
In post 2 of your thread, I suggested use of the prodesigntools web site as the source for your Premiere Elements 10 installation files. Included in that suggestion was the precautionary note to read the instruction carefully otherwise you will end up being blocked by an Access Denied message. Another post has subsequently offered you the same suggestion and precautionary message.
I did not want you to be scared away from the site because of all our helpful precautionary notes. This is one of those situations where the details of the download are critical to success.
If you do run into any problems in obtaining this download in spite of your careful read of the site's instructions, please do not hesitate to come back to this thread for further help. This route works and has been used by many to resolve the type of issue that you have presented.