what you will need: a laptop, Ethernet cable, xbox 360, and a wireless connection.

Step 1: Plug the ethernet in to your xbox and computer

Step 2: Open up control panel
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Step 3: Click Network and Internet
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Step 4: Click on Network and Sharing Center
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Step 5: Click you connection under "View your active networks"
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Step 6: a new window should pop up and click properties
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Step 7: Click the Sharing tab
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Step 8: make sure both boxes are checked.
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Step 9: connect to Xbox Live