Changing a Skype username is not as straightforward as it may seem, because Skype does not allow users to change their usernames directly. Instead, the username is linked to the Microsoft account that was used to create the Skype account. If you wish to have a different username, the best approach is to create a new Skype account using a different Microsoft account with the desired username.
However, it is important to keep in mind that by creating a new account, you will start fresh, meaning you will lose any existing contacts, chat histories, and other data associated with the old account. If retaining contacts and chat history is important, users may want to inform their contacts about the new account to maintain connections.
Additionally, if you want to create a new Microsoft account, you should also verify the availability of the username to ensure it aligns with your preferences. For further assistance or information, it may be helpful to visit the official Skype website, as they periodically update their resources and support articles.