From hosting to local server problem

Hello support I have a couple of problems.
a customer of mine wanted to transfer the website from a hosting service to a local server. I provided him with the db and only the home page seems to work. If I try to select any menu item instead I get a 404 error.
What can I check from db or is there something missing to install?
For example https://maraniimpianti.it/trattamento-aria-ventilazione-meccanica-controllata.html (if i open the same page in editor the page work correctly).
If i open home page, or other page,I see some "header" words under the menu (see attached image).
They use almalinux 9 like localserver.
Can you help me to understand?
I have no ftp access.

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