Updating the module
From Prestashop 1.7 or 8.x:
It is not necessary to uninstall the old version to update the module anymore. Consequently, you can go directly to the next step.
From Prestashop 1.6:
To update the payment module, you must first delete its previous version.
WARNING: Make sure you save the parameters of your module before you uninstall it and save the production key that is no longer visible in the Systempay Back Office.
- Go to the Modules and Services > Modules and Services menu of the Prestashop Back Office.
- Search for the Systempay payment module.
- Click the arrow to get the drop down list displayed, then select Uninstall.
- Click the arrow to display the drop-down list, then select Delete.
- You can now install the new module. The steps are described in the next chapter.