Before you change anything
A little preparation saves frustration, because your new username has to be unique and available across the whole platform. That means the handle you want may already be taken, so it pays to have a short list of options ready before you open the settings. Decide whether you actually want to change the username itself or just the display name, since those are different jobs. If you only want a new look with capitals or spaces, you probably want the display name. If you want a brand new unique handle that friends add, the username is what you are after.
Changing your username in settings
To edit the username, open User Settings, usually reached through the gear icon near your profile. Look for the account or profile area, where your username is listed with an option to edit it. Type your new handle using only lowercase letters, numbers, a period, or an underscore, and the app will tell you whether it is available. If someone already has that name, you will need to adjust it, perhaps by adding a dot, an underscore, or a number. Once a valid, available handle is accepted, save the change and you are done. The exact wording of the menus can shift over time, so look for the account settings if labels differ.
Updating your display name instead
If the strict username rules feel limiting, the display name is your flexible option. It lives in the same profile area of User Settings and can be changed freely, without needing to be unique. Here you can use capitals, spaces, and a more stylized version of your name, which is why many people leave the username plain and put their personality into the display name. Changing it does not affect how friends find or mention your unique handle. This is the easiest way to refresh how you appear to everyone without hunting for an available username, and you can update it as often as you like.
When your handle is not available
Running into a taken name is common now that usernames are unique, so do not be discouraged. The quickest fixes are adding a single period or underscore, appending a meaningful number like a year, or pairing your name with a second word. Avoid long strings of random digits, since they look like placeholders and are hard to remember. If nothing is landing, step back and generate a fresh batch of ideas rather than forcing small tweaks on a name that is clearly gone. A slightly different but genuinely available handle almost always beats a clunky variation of a taken one.
Getting new ideas fast
When you are ready for a change but stuck for a name, our free Discord username generator produces large batches of fresh, valid handles in seconds, all within the allowed characters. Skim the results, save a handful you like, and test them for availability as you edit your settings. Because the tool sticks to lowercase letters, numbers, periods, and underscores, everything it suggests is formatted correctly for the username field. Keep a couple of spares saved even after you switch, since you might want to reinvent your handle again down the line, and having options ready makes the next change painless.