HELP! HOW to built an OSM tile server?

I need details step by step. I tried to built but failed.

By the way, how to display the map in my own websites?

I need a Detailed answer for my project.

Thank you very much!!

Please try to prevent double postings in this forum, this won’t help you!

You should have given us information hat you have tried so far in detail:
what hardware? what operating system? what software in what version?

What steps listed at https://switch2osm.org/serving-tiles/ have you tried so far?

I can advise you to find some employee in freelancing for little money.