1.To setup 2 step verification first sign in your Google account and click on name or account picture on upper right side.
2.Click on “Account”.
3.In Account Click on security and select Edit option for 2 step verification.
After choosing the edit option you will redirected to the sign in page provide your general password to sign in.
4.Now next window is for phone number setup and verification.Provide the mobile number or landline number( remember will receive the 2nd password every time when you will sign in from other computer) and click on send code.After clicking on send code option you will get a code on your mobile via sms .
4.Now enter the code and verify it.after verification click next.
5.Next step is making trusted computer (if you are making a computer trusted then you will not asked for 2 step verification on that computer).
6.Now click on “TURN ON 2-STEP VERIFICATION”.
7.Now you will asked to make application password (apps that cant ask for verification code like outlook,apple mail etc ).
select Create password option and verify email address by providing password and you will get a special password for all other apps that cant ask for verification.