how do I do this? A bit confused at the moment. I do not know also how to change my lovely profile picture. Thanks a lot all community friends and brothers and sisters for helping.
On the top of the page, there is a symbol for the badge(s) you've received. Click on it.
There should be three tabs: "Profile", "Activity" and "Edit Profile and Settings". Click on the last one.
There you should be able to update your displayed name and picture.
The direct link, for you should be:
See also that meta post: How can I change my name on a Stack Exchange site?
Please note that there are some limitations about name changing. You are not allowed to change it too often.