While you are logged in to your account, visit your account page. (You can reach your account page from the Community menu.) Click the Lock icon on the left side of the page, then choose “Everyone” from the “Profile Privacy” heading and click the Update Privacy button.
When you are first registered for a member or artist account, by default, your account is hidden from public view. To make it visible, visit your account page, click the Lock icon on the left, then choose “No” under “Hide my profile from public view” and click the “Update Privacy” button.