How to create a google site map

https://onemillionblogs.net/seo-blog-simera-pliris-odigos-perissoteri-oratotita-kinisi-pelates/

How to create a google web site map<br/>A rapid search on Google for assistance on growing a domain map firstly threw up many hyperlinks to instrument that you need to buy or down load for free of charge to create a site map