Requirements and installation
Requirements
mysqli extension
YOOtheme Pro: installed and active as the site template
JTL shop with a reachable MySQL database
WirdThe synchronisiertextension …works without Joomla's compatibility plugin. If you have enabled it for other
reasons, that does no harm — it is simply not needed here.
Installation
plg_system_jtlshop-x.y.z.zip from your
customer account on graup-it.de.
In the Joomla backend, open System → Install → Extensions.
Drag the ZIP file into the upload area or select it via Browse.
On a first installation the plugin is enabled automatically. You will find it afterwards under System → Plugins as System - JTL Source.
After the installation an overview panel appears showing the installed version and the entry points to Getting started, Download key and Manual. After an update, the changelog takes the place of "Getting started".

If the environment does not fit — Joomla too old, PHP too old — the installation stops with a clear message instead of leaving behind an extension that silently fails later.
After the installation
Uninstalling
Uninstall the plugin via System → Manage Extensions. The extension creates no tables of its own in Joomla, and it changes nothing in the JTL shop anyway. All that remains are the plugin settings, and those are removed with the uninstallation.
Remember to remove the database user you created for the connection in the shop as well, once you no longer need it.
Applies to version 1.12.0.