How to get gmail app password?

Step 1: Active google's 2-Step Verification

1) Log in your google account, go to "Security" page, click "2-Step Verification"

2) Input your phone number, click "Next" button

3) Enter the sms code you received, click "Next" button

4) Click "Turn On" button to complete 2-step verification

Step 2: Get app password

1) Go to "Security" page again, click "App passwords"

2) Select "Mail" and "Windows Computer", click "GENERATE"

3) You will get gmail app password (16 letters) as below