Setting up a profile is straight forward and allows you to post anonymously or by your own name.
To configure your profile, head to the user profile button in the top right hand corner. This will take you to your profile.

To edit, just click on the edit profile button, here you can choose a cover photo, profile picture and most importantly, change your username to whatever you desire.
To set the changes, just press confirm.

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Source: How to Choose an SEO Company