==================
- Download the file PaysonAB_PaysonCheckout2.zip
- Extract the file to <magento_install>/app/code/, after extraction you should see <magento_install>/app/code/PaysonAB/ Run commands:
- php bin/magento module:enable PaysonAB_PaysonCheckout2 --clear-static-content
- php bin/magento setup:upgrade
- php bin/magento setup:di:compile
- php bin/magento cache:flush