My wife gave me her MacBook Pro. How do I change the primary administrator?

adolfo218 wrote:

My wife gave me her MacBook Pro. How do I change the primary administrator?

If the idea is to make this your Mac, that is a bit of a different question then asked—

you can follow the same as outlined here:

What to do before you sell, give away, or trade in your Mac ...

adolfo218 wrote:

My wife gave me her MacBook Pro. How do I change the primary administrator?

You create a new admin account and log into it

Set up users, guests, and groups on Mac - Apple Support

There is no "primary administrator" as opposed to an "administrator". An "administrator" is an "administrator".