If you don't have a method on your Personal computer that can extract files from a zip file, WinRar may be downloaded for free. Unzipping the zip file will uncompress the OpenCart archive Hence the files can be accessed by an online server. Following the install, you should make the https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html