What should I put as my username?
A username is like a nickname or pseudonym. It's a way of identifying yourself without saying who you are.
Using your full name on a public web site like DemenShare.com allows anyone to research you and potentially discover more information about you, so you may want to consider something more ambiguous.
For example, you could use a nickname you have (e.g. shorty) or the name of a family pet.
You could just use part of your name. If you are John Smith for example, some potential usernames are;
If you struggle please get in touch.