If you do not have a system on your Laptop or computer that can extract files from a zip file, WinRar can be downloaded for free. Unzipping the zip file will uncompress the OpenCart archive Hence the files may be accessed by an internet server. A small banner with a https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html