Below the tabs you will see "Friends" where a drop down menu will appear. Click "Friends Home."
On this page, the far right should have your profile information: Your screen name, ratings, reviews, etc.
You want to click on "Profile" here.
The next page you should be on enables you to change your screen name, profile picture, profile privacy settings, and give an about me statement.
All of these things are optional, of course.
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