How to activate two-step verification for Google Account

Back in 2011, Google added the two-step authentication for Google account. Earlier it was done either by SMS or Google authenticator app. Later in 2016, the company added the authentication approval prompt for Android devices to make things easier and quicker. However, in case you haven’t secured your account using two-step verification, here’s how to do it.
Before diving into the steps, two-step verification adds an additional layer of security to the account that eventually prevents it from getting hacked or from being unauthorised access by hackers.