2 Step Authentication in Google is a way to increase the security of your data. Basically, 2 step authentication means that you have to provide your password and something else. Normally, that is a code from a device that you have (usually your phone). A code is sent...
![Google 2 Step Authentication](https://3.bp.blogspot.com/-kH9sfvBKhgA/V2LbqZRpPiI/AAAAAAAAEos/K8ku6J3SeO0Ct1Hu8MSjFQ3WlTeBLnC1ACK4B/s1600/GP.png)