How to copy a DVD with Mac OS Monterey 12.4

What kind of DVD is it exactly?

If its a commercial movie DVD, then we cannot discuss that here as it involves breaking the copy right protection on the disk which is piracy.

If its personal DVD without any copy right protection, then you can use something like Handbrake to rip the video off of the DVD. https://handbrake.fr/features.php

as long as it is NOT copy-protected commercial disc, you use Disk Utility to make a CD-image, then burn the image to a new disc.