you cannot change your steam username. However, you can change your display name. You do this through opening the steam client, pressing view all friends, pressing the drop down box next to your name then pressing change profile name. Should you leave more than $1,000 in a checking account? You’ve done it.Can people see my Steam account name?
Account names are not visible to other users. The name shown on your profile is considered as a community display name which you can edit at any time. Ideally, you don't want to enter your account name as your community display name, so it's up to you. A subreddit for members of the Steam Community. Reddit Inc © 2022.