...
Now go to your Magento root directory, say it's named magento2, and execute the following commands:
composer require worldpay/worldpay-lib-php
php bin/magento setup:upgrade
...
...
Now go to your Magento root directory, say it's named magento2, and execute the following commands:
composer require worldpay/worldpay-lib-php
php bin/magento setup:upgrade
...