If you would like to change your username to something else then follow the steps below.
Follow these steps after you have logged in
Click on your profile icon, then click on the person icon you will see a menu item called Preferences.
Click on Preferences and it will bring up your profile.
Click on the pencil icon beside your username to change it. It will check to make sure the username is unique before approving it.
Save your profile changes by clicking on the Save button at the bottom of the page.