To increase the security of the account and prevent other people from accessing the account, you may enable the Authenticator. This code has a two-step mechanism. To log-in every time, you must enter a two-step code in addition to your password.
To enable the Authenticator:
1. Click on "Profile".
2. Click on "Security" option.
3. Click on "Enable" option of the Authenticator.
4. Download the relevant application on your device.
5. Click on "Scan QR Code".
6. Scan the QR Code OR enter the Code shown in the application manually.
7.* Save your Back-Up Key in a safe place. You may use this to recover your authenticator, in case you lose this data.
8. Click on "Enable".
9. Enter the Email Verification Code.
10. Enter the Authentication Code.
11. Click on "Enable".
You can also find the tutorial video in the link below: