How can I add app?

Hi, I want add aplication from add market WIX: Royal Mail C&D by SellIntegro | Wix App Market | Wix.com and DPD Local (UK) by SellIntegro | Wix App Market | Wix.com . How can I do that?

This article should help you get started: https://support.wix.com/en/article/adding-an-app-to-your-site

For further questions, please contact Wix Customer Care .