Oscommerce Contribution Install

Hi, We have a test server/database that matches the server/database of the main site. So you can edit as you please. But you will need to keep track of what files have been changed as we will only transfer the new files to the main site and you will have to supply the SQL code to import into the main database. Anyway what we would like is this contribution installed. We have an older version installed but cannot remember which one. So we would like the newest version as the old one was installed incorrectly and never worked properly. The contribution is: [login to view URL] I would like the English version. Thanks, Jamie