How To Submit A Sitemap.XML File To Google Search Console - How To Generate A Sitemap.XML

How do you do this if you made a website in html and css. I use filezilla for ftp. How do you do this in consol google?

I host my site with AWS via GoDaddy, My web developer says AWS doesn't accept externally created sitemaps. Sitemap created is in HTML format. How true is this?

Have u made any video to submit a large sitemap? if you did not make kindly make how to create the large sitemap and how can I submit it.

Thank you so much for this explanation! I used GitHub and wasn't sure what is the next step after creating the XML file. All I had to do is actually upload to the file pack. It only took me 2 weeks figure this out! Thank you again

thanks for the video :))