Changing user name
Can someone help me I want to change mij user name but I could not click on it
[Image Edited by Host to Remove Personal Information]
MacBook Pro (15-inch, 2018), macOS High Sierra (10.13.6)
DON'T! -- Users who make the slightest mistake lack them selves out of their Mac, permanently.
Instead, create a new User with the name you like. Log in as the new User, and copy over any files you need.
If after a week or two, everything seems fine, you can delete the old User.