Zen Cart v1.5.5e
TIP: For some errors and warnings below, more information may be available by clicking on the error/warning title.
Multiple Admin directories seem to exist. If the selected directory below is incorrect, please choose another and click Refresh.
An existing configure.php file was found. The installer will attempt to upgrade your database structure if you choose "Upgrade..." below.
Some other problems
Gzip Extension in PHP is not enabled
PRO TIP: If possible you should already have installed an SSL certificate, and run the installer using https://