Go to www.battledawn.com/forum
Enter your username and password.
Go to control panel on top right corner.
Click on profile which will appear on the left side.
Click on edit account settings which will also appear on the left side and edit what ever you want to.
But you will have to be a bit patient while doing this. Since the servers are down it will take 30-40 seconds to load (usually it takes fraction of a second) even with high speed connection.
If you still need help please feel free to ask again.