This extension requires VQMOD installed on your opencart.
- Extract the zip package xml-sitemap-pro-15xx-x.x.x.zip
- You will find the folder upload
- Copy / Drag the files & folders inside the upload folder to your web root directory such that it merges with the existing admin, catalog, vqmod folder. (No core files overwritten)
- Go to Admin > System > Users > User Groups, and give appropriate permission to extension/hb_sitemap
- Go to admin. Extensions > XML Sitemap
- Setup the extension and click on save
- Click on button add code to .htaccess