personalize
verb [ T ]
(UK also personalise) uk/ˈpɜːsənəlaɪz/ usto make something suitable for the needs of a particular person:
This cookie is used by one online retailer to personalize the website for you.
We try to personalize the service they receive without being too personal.
to change something or add to it so that it is obvious that it belongs to or comes from you:
I have personalized my e-mail signature to let others know I am recruiting team members.