Activation of the plugin

If the payment module is not activated,

  1. Go to Extensions > Plugins management.
  2. Type Payzen in the search field and click on Search.
  3. PayZen and PayZen installments payment have been found in the search results.
  4. Activate the module by clicking on Activate button situated in the toolbar, activation must be done for each payment method if you want to enable one-time payment and installments payment.