When you create a Steam account, you are assigned a unique identifier known as a SteamID. This identifier never changes, meaning you can change your Steam profile name as often as you like without your SteamID changing.

SteamIDs identify individual users on Steam. Since Steam users can change their profile names at any time, SteamID is the best way to determine if a user is who they say they are.

Here are some reasons why you should have a SteamID on hand:

There are three ways to find your SteamID or a friend's SteamID: