Ventura 13.1 keeps failing to install

Try shutting down the mac and booting up the mac in safe boot.

try installing it now while in safe boot.

Start up your Mac in safe mode - Apple Support (CA)

Does the computer qualify for Ventura is the first question

Below link will answer that

macOS Ventura is compatible with these computers - Apple Support (CA)

If it does qualify - what is the present version of macOS installed now ?

What is the error message saying as to why Ventura 13.1 will not install