How to create a google site map

https://devinahnx606.brightsora.com/posts/i-proodos-ton-algorithmon-neon-kanonon-veltistopoiisis-lexeon-kleidion

How to create a google web page map<br/>A immediate search on Google for recommendation on developing a site map at first threw up many links to software program you will need to buy or download free of charge to create a site map