Two-factor autentication is an additional layer of security for your account along with your login details. It protects your account by the means of additional 6-digit code that is generated in real time. This code can be retrieved from the certain apps installed on your smartphone. 2-FA code expires in 30 seconds after being generated.
According to statistic the account protected by 2-FA is not even attempted to be hacked in 99.9% of cases.
Go to setting and find the "Security" section to install 2-FA.
1. Switch the toggle.
2. Make sure that you have already installed the mobile app "Google Autenticator" on IOS (App Store) or Android (Google Play) and proceed to the next step.
3. Take a scan of QR-code with the "Google Authenticator". Save "Google Key" and click "Next Step".
(it is of the highest importance to save the QR-code and Google Key which are not to be shared with anyone)
4. Insert the 6-digit code generated by "Google Authenticator" and click "Confirm".
5. The top-right corner notification will signify the successful setup of 2-FA.