Things You'll Need
Instructions
Activate an Xbox LIVE Silver Account
Turn on the Xbox 360. Be sure you are connected to the Internet. Scroll up the dashboard using your left analog stick or D-pad until you get to the "Xbox LIVE" tab. Select the first window, titled "Join Xbox LIVE for free."
Select "Free membership," and press "Continue." Select "Create new account." Enter your first name, and press the "Start" button to continue. Enter your email address and password. This must be a Hotmail, MSN or LIVE email account.
Enter your date of birth, and select "Continue." The privacy settings window will open. Press "Continue" to open the terms and preferences window. Click "Accept" to create an account.
Select "Go Gold!" on the upgrade to gold window. Then, scroll down to the last tab, and select "Redeem prepaid card."
Enter the code from your one month free card, and press "Continue." If you do not have a card and this is the first time you are setting up an Xbox LIVE account, you will automatically be entitled to a free month of gold membership. Simply back out of the area by pressing "B," and a window pops up stating you qualify for a free month of Xbox LIVE gold. Press "Continue," and the following message is displayed, "Your free month of Xbox LIVE has started."
Already Have an Xbox LIVE Account
Press the Xbox guide button located in the center of your controller.
Scroll left until you reach the "Marketplace" tab.
Select "Redeem code," and enter your code. Press "Continue," and your free month will be credited to your account.