Two Factor Authentication 

1. login with email and password
2. go to top right icon and click security profile
3. click enable to enable 2fa
4. enter confirm password and submit
5. page redirects and show QR code and Recovery Codes
6. copy recovery codes and save 
7. scan QR code with Google / Microsoft authenticator app that can be downloaded form playstore for android, like wise for other phone
8. the website 2fa account will be created in the authenticator

To login using 2fa 

1. logout
2. login back with email and password and submit
3. then the 2fa form will show, enter the OTP ( one time password ) generated by the authenticator in your phone
4. you must quickly enter the code before it expires
5. alternatively you can use the saved recovery code

To disable 2fa

1. login with email and password
2. go to top right icon and click security profile
3. click disable button
4. enter confirm password
5. page redirects and 2fa is disabled

Important : if you disabled 2fa and enabled again, you need to remove the existing account in your phone’s authenticator and rescan the QR code