Computer

1) Open your Google Account.

2) In the "Security" section select 2-Step Verification.

3) You might be prompted to sign in again before selecting Turn off.

4) A pop-up window will appear to confirm that you want to turn off 2-Step Verification. Select Turn off.

Android

1. On your Android phone or tablet, open your device's Settings app Google  Manage your Google Account.
2. At the top, tap Security.
3. Under "Signing in to Google," tap 2-Step Verification. You might need to sign in.
4. Tap Turn off.
5. Confirm by tapping Turn off.

iPhone or iPad

1. On your iPhone or iPad, open the Gmail app .
   1. In the top right, tap your profile picture or initial  Manage your Google Account. If you don't use Gmail, go to myaccount.google.com.
2. At the top, tap Security.
3. Under "Signing in to Google," tap 2-Step Verification.
4. Select Turn off.
5. A pop-up window will appear to confirm that you want to turn off 2-Step Verification. Select Turn off.