Yes, you are able to change your username but only on one occasion.
To do so, following the steps below:
- Log into your account on browser (not chat app). You will need your email and password.
- Go into your profile by using the 3 grey lines, bottom right of page on mobile, your profile pic avatar on desktop.
- Scroll down to Help and Settings - Press Account Settings
- Press My Account
- Scroll down to Username and press the blue pen to the right of the username box.
- Type in your new username and press - Enter your new Username.
This will allow you to make your one time change of name.
If you have already changed it once you will need to email email@example.com for a further change