Some platforms limit the number of times you can change your name while others don't. If you want, you can change your account as many times as you want.
The display name is different than the usernames. You can see the display name on your profile. It doesn't have to be unique to you, and it can have special characters. It can be changed twice within 14 days.
At the top of your profile and at the end of your URL are the places where your usernames appear. You need to be unique. It can't be longer than 30 characters and can only contain letters, numbers, periods, and underscores. If no one claims it, you can change it back within 14 days.
You can change your handle in less than a minute. It is possible to do here.
Go to the app on your mobile device to log in. If you have more than one account, make sure you log in to the one you want to change.
You can change your display name by typing in the name field.
You can change your name on the desktop version of the photo sharing service.
You can return your old handle within 14 days if you make a mistake or decide you don't like it. It is possible that your old handle has been taken by another user.
You can't have the same name as someone else, and it's first come, first serve. After you press the checkmark on mobile or submit on the web, you'll be told if your handle is taken.
Adding numbers or underscores makes the name unique to you.
Keep an eye on it. In the future, you may be able to use your desired usernames. The current owner is able to change or deleted their account.
The article was originally published in February of 2020 and has been updated to account for changes in the app.