If you're having trouble logging into Portal 2, we've got a quick guide for you. This guide will show you how to login with the Steam account you used to purchase the game, or if you have an Xbox 360 copy of Portal 2, you can use this guide to log in with your Microsoft account.
How to sign in to Portal 2
To sign in to Portal 2, you will need to enter your Steam login information. To find this information, open Portal 2 and click on the "Settings" button in the lower-left corner of the main window.
In the Settings window, you will see a list ofaccounts. The account that you are using to play Portal 2 is listed at the top of this list.
To sign in to Portal 2 using this account, simply enter your Steam login information into the "Login" field and hit the "Sign In" button.
If you do not have a valid Steam account, you can create one here: https://support.steampowered.com/kb_article.php?ref=5414-TFBN-1352
How to sign out of Portal 2
If you need to sign out of Portal 2, you can do so by following these steps:
1. Open Portal 2 and click on the "Portal" icon in the lower-left corner of your screen.
2. On the "Portal" window that appears, click on the "Logout" button.
3. You will be prompted to enter your Portal 2 username and password. Enter your login information and click on the "Logout" button.
How to change your password for Portal 2
If you've forgotten your Portal 2 password, or if you want to change it for security reasons, follow these steps:
1. In the main menu, select "Settings."
2. Under "Account," click on "Password."
3. Enter your old password and click on "Change."
4. Type in a new password and click on "OK."