Where can I find my 9-digit Steam ID? Steam ID is a 17-digit unique number (and not 9). If you want to find your unique Steam ID, then you can do that using its mobile app, web app, or desktop client.

known as your Steam ID. You can use this 17-digit number ID to either link other people to your account, or to use in third-party tools like SteamDB. 2. Open your profile by clicking the button at ...