To setup your account and profile information, click on [Account & Profile] option in the drop-down menu.
The below screen will be opened:
1- Email: your registered email is displayed here 
2- Name: enter your full name 
3- Headline: enter your job title and work 
4- About: describe yourself in a few words 
5- Areas of Interest: specify your area of interest 
6- Profile Photo: click on the "Choose File" button to select your profile photo 
7- Change Password: click on "Change Password" link to change your password 
Enter the new password  and retype it for confirmation , then click on the "Change" button  when finish.
8- Multi-Factor Authentication: click on this link to define multi-factor authentication 
Scan the displayed QR Code using Google Authenticator or Authy mobile application.
Verify your account by entering the code generated in the app in the "Verify Code" field.
9- Click on "Save" button  when finish to save the profile changes.