On top Left there is your Profile picture , you can access your profile details by clicking on the picture . Also you can see your mails and notifications there .
By clicking on profile picture you will see your profile page
this page shows a summary of your profile like citizenship , level and also your political rank in country .
Click on Edit profile and then you can change your account password , upload avatar and also you can find your referrers link to invite your friends to game and receive rewards .