Prestashop Data Migration specialist

We want to upgrade our Prestashop Store from the Current version 1.6.1.0 to the Latest Stable Prestashop version 1.7.4.0 (or higher). All store data needs to be migrated as it is onto the upgraded ver We want to upgrade our Prestashop Store from the Current version 1.6.1.0 to the Latest Stable Prestashop version 1.7.4.0 (or higher). All store data needs to be migrated as it is onto the upgraded version including URL links. Apply a new theme to the upgraded store selected by us.Apply payment modules compatible with the new ver...