How to setup 2FA Authentication ?
step-1: You need to verify your email id to activate 2FA.

step-2: Login to your account using your credentials.

step-3: click on menu icon on top left corner.

step-4: Click on security on Account Settings tab.

step-5: You can find 2-Factor Authentication.

step-6: Note down the KEY Backup codes for future purpose.

step-7: Scan the QR code from your Authenticator app. If you don't have any Authenticator app, Find some of here Links to Authenticator apps.

step-8: Enter the generated code in the text box and submit.

step-9: Now, you have enabled your 2 FA authentication.