View the setup walkthrough here. If your account has the authenticator enabled, you will be asked to enter your current code after you've entered your user name and password.
You can't use a code more than once, and you can't use old codes. So if you just used a code, you should wait for the code to change before using another.
Not at this time. Support for standalone authenticators is being considered, but is not available today. You can remove two factor authentication from your account by opening the Steam Mobile App, navigating to the Steam Guard menu item, and selecting "Remove Authenticator".
This will bring you to a confirmation window, where you can confirm your choice by selecting "Remove Authenticator" again.
Any trades or Market listings created before a Mobile Authenticator is added, or during the first 7 days after it is added, will be held for 15 days.
Trades or Market listings created more than 7 days after a Mobile Authenticator is added will not be held by Steam.
Adding a Mobile Authenticator will not reduce the length of existing item holds. Read more about Trade and Market Holds , or why items are held by Steam.
Read more about Trading and Market Restrictions , or why you may be unable to trade or use the Market. Make sure the app is up to date on your phone and restart the app.
This is a rare issue, that is commonly solved by restarting the app. Do not delete and reinstall the app. If you delete the mobile app from your phone, you'll need to reset your authenticator using https: If possible, you should contact your wireless service provider and get a replacement phone with the same phone number.
Steam will be able to send SMS messages to your replacement phone, and you will be able to recover your account as described below.
If you no longer have access to your phone and don't have your recovery code, you'll need the assistance of Steam Support.
Use the "Help me with my issue" button at the top right of this page to get help removing your authenticator. To transfer your authenticator to a new phone, you'll need access to the phone number associated with your account so we can send you a text message to confirm it's you.
From the Steam Mobile app on your new device, try to log into your account. When the app asks for your authenticator code, select "Please help, I no longer have access to my Mobile Authenticator codes.
After transferring the authenticator, any new trades or market listings will be held for a couple of days to protect your items in case your authenticator is ever transferred by a malicious person.
If you're keeping your phone number, then you don't need to do anything in advance to prepare. Once you get your new phone, you can transfer your authenticator to the new phone using the steps in the answer for the previous question above.
If you have two factor authentication enabled, and you will also lose access to your old phone number, then you should:.
Before you sell or give your phone away, we recommend doing a factory reset on it and removing personal information. It's a good idea to print these codes instead of saving them on your computer.
Don't take a screen shot of them. For security purposes, if you're unable to log into the Steam Mobile App, you will not be able to view your recovery code.
If you are unable to receive SMS messages from Steam, check with your wireless provider that your wireless account is allowed to receive them.
Our text messages can come from a 6 digit phone number, please ensure that your provider supports this. Steam will also stop sending SMS messages if too many have been sent to you, so waiting a few minutes to an hour may allow messages to come through again.
You should also check to make sure that your phone's inbox is not full. Make sure that your country code is correct Steam tries to guess where you are in the world, but you can also select your location from the menu below your phone number.
Valve does not allow certain phone numbers, such as VOIP numbers and numbers that cannot receive text messages.
If your phone number is being rejected and you think that the rejection is in error, please contact Support by clicking on the "Help me with my issue" button.
We are unable to accept new VOIP phone numbers on Steam due to them not meeting our security requirements. It's free to join and easy to use.
We see you're logging in to Steam from a new browser or a new computer. Or maybe it's just been a while Did you check your spam folder?
If you don't see a recent message from Steam Support in your inbox, try looking there. Sorry you're having trouble. We know your Steam account is valuable to you, and we're committed to helping you keep access to it in the right hands.
We'll send a text message containing an account recovery code to your phone number ending in. Once you enter the code, we will remove the mobile authenticator from your account and you will receive Steam Guard codes via email.
We have sent a text message containing a confirmation code to your phone number ending in. Enter the code below so we can remove the mobile authenticator from your account.
We have removed the mobile authenticator from your account. Next time you log in, you will have to enter a Steam Guard code that is sent to your email address.
You can now use this device to get mobile authenticator codes for your account. Any other device that was previously providing authenticator codes for your account will no longer be able to do so.
You do not have a phone number associated with your Steam account, so we are unable to verify account ownership via a text message.
Do you have the recovery code that you wrote down when you added the mobile authenticator? The recovery code begins with the letter 'R'.