You will first need to generate a sitemap xml file. You can do this in several web applications but we use www.web-site-map.com.
Once on www.web-site-map.com enter your website url
Press Get Free XML Sitemap.
Enter all the required details
Press Create Free XML Sitemap. Wait to complete...
Click the download your sitemap link and proceed to download the xml file
Access your site via FTP (e.g. Filezilla) and transfer the sitemap.xml. Note* do not rename the file.
You can now submit the sitemap as a url to Google and/or Bing, e.g. www.yoursite.com/sitemap.xml
Submit the site map via Google Search Console: https://search.google.com/search-console/.