Installation
Install Unzer Payment OXID for OXID eShop version 6.3 to 6.5.
Prerequisites
- You have installed OXID eShop 6.3 to 6.5. 
- You have configured transport encryption (https). - In the <root directory of the eShop>/source directory, open the config.inc.php file. 
- Make sure that https is set for the base URL (shopURL parameter). - Example: - $this->sShopURL = 'https://www.example.org'; 
 
Procedure
- Open a shell and change to the root directory of the store (where the - composer.jsonfile is located). Example:- cd /var/www/oxideshop/ 
- Execute the following commands: - composer require oxid-esales/unzer ^1.0.0 
Result
When the installation process is finished, the module appears in the administration area under (Fig.: Unzer Payment for OXID installed).
 
Fig.: Unzer Payment for OXID installed
Next step: To configure Unzer Payment, choose Next.