Username is the new WordPress plugin that simply allows you to change username, if username is not exist and without effecting others user’s username.
The plugin first attempts to check if new username exist or not. If username is free and not used by any other registered member then only it will updates existing username to new one. All site admin can change only his/her username from admin panel.
Installation & Usage: Install and activate Username. After activation visit your admin area Dashboard -> Settings -> Username admin page. Now insert desired username in given text field and check its availability. If it is available then click ‘Save Changes’ button and that’s all, you are done.