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Can I use multiple Steam accounts on one computer?

Yes, you can access different Steam accounts from one computer. However, you may only access one account at a time.

The accounts will share the core files for any games the accounts have in common, but each account will maintain its own custom content and configuration files.


Can I use my Steam account on other computers?

You may use your Steam account on any machine which can connect to the Steam network - Steam allows you to download and install any games registered to your account as soon as you log in.


Can multiple users play simultaneously on one Steam account?

Steam does not support multiple players using one Steam account simultaneously - games associated with a Steam account are licensed for the sole use of the account holder.

If multiple users attempt to log in and play simultaneously with one Steam account, the user who logged in first will eventually receive an "Invalid Steam UserID Ticket" error message and be forced to log back in to continue playing (if the first user logs back in, the second user will receive this error message).


Can I use my personal Steam Account in a CyberCafe?

Personal Steam Accounts may only be used in CyberCafes that are officially licensed by Valve - if the Cafe allows you to do so. The number of personal Steam Accounts used in an officially licensed Valve Cyber Cafe is limited to the number of active cybercafe subscriptions held in the Valve Cybercafe Program. A CyberCafe must be a member of the Valve Cyber Café Program in order to offer Steam games to its customers. We do not recommend using your personal Steam account in a CyberCafe.

Note: please make sure that you log out of your Steam account before leaving the Cafe.


Do I need a separate account to run a dedicated server?

If you are using a single Steam account for your Stand-Alone Dedicated Server and your game client, you will run into the "Invalid Steam UserID Ticket" error which is presented to multiple users attempting to play simultaneously - if you intend to use a computer as a dedicated server, you must create a separate Steam account to run the dedicated server software.

Note: Client Listen Servers use the Steam UserID ticket for the client on which they are run - the "Invalid Steam UserID Ticket" error will not be presented when you are running a Client Listen Server unless another user logs into your account and starts a game.


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