A password is not the only way to protect a Google Account. With 2-Step Verification turned on, signing in also requires a second check, such as a prompt on a phone or a code from an authenticator app. That extra step can help protect an account if someone learns its password.
This beginner-friendly guide walks through turning on the setting, choosing a second step, and preparing a backup. Google’s menus can change, so the labels may look slightly different on your device.
Before you begin
Have your Google Account password handy and use a device you trust. If you can, make sure your recovery phone number and email address are current. Those recovery options can help if you lose access, but they are not a replacement for setting up a second sign-in method.
Think about what you would do if your phone were lost, damaged, or unavailable. A backup method matters: otherwise, a security step meant to protect your account could also make it harder for you to get back in.
Steps to turn on 2-Step Verification
- Open your Google Account settings. On a computer or phone browser, go to myaccount.google.com and sign in to the account you want to protect.
- Open the security settings. Select Security or Security & sign-in. Find the section about how you sign in to Google.
- Choose 2-Step Verification. Select the option and follow the on-screen prompts. Google may ask you to sign in again to confirm it is you.
- Review the suggested second step. Google may offer a prompt on a phone already signed in to your account. Read the instructions and confirm that the device shown is yours and accessible to you.
- Choose or add a method you can use. Depending on your account and device, you may be able to use a Google prompt, an authenticator app, a security key, or a phone number for a code. Follow the setup instructions for the method you select. If you use a phone number, enter the number you control and complete the verification Google requests.
- Finish enabling the feature. Complete any confirmation step and check the account’s security page to make sure 2-Step Verification is shown as on.
- Add a backup option. If the security page offers backup codes, generate them and keep them somewhere private and separate from your phone. You can also add another suitable sign-in method if Google offers it. Treat each backup code like a one-time password: do not post it, send it to someone who contacts you, or leave it where other people can find it.
- Test your plan before relying on it. Sign out only if you are sure you can sign back in, then try a normal sign-in using a device you trust. Confirm you know where the prompt or code will arrive and how you will use your backup option. Do not test by removing your only working sign-in method.
Which second step should you choose?
There is no single method that suits everyone. A phone prompt can be convenient if you regularly have your trusted phone nearby. An authenticator app generates codes on a device, while a security key is a physical device you use when prompted. Availability and setup can vary by account and device. Follow Google’s current instructions for the choice you make.
If you cannot use a more convenient method, a text message may be an option. Make sure the number is yours and can receive messages. Whatever you choose, keep your recovery information current and arrange a backup in case your usual device is unavailable. CISA advises people to use multifactor authentication where it is offered; a second check adds a barrier beyond the password alone.
Things to know
- A prompt or code is not permission to approve a surprise sign-in. If you get a request you did not initiate, do not approve it. Review the account’s security activity from your own Google Account settings.
- Never share verification codes. A caller or message claiming to be support should not need you to read out a code. Enter codes only into the sign-in flow you started.
- Keep backup codes private. Store them in a secure place you can reach if your phone is missing. Do not save them only on the same phone they are meant to help replace.
- Plan before changing phones or numbers. Add and test another sign-in method before giving up access to the old one. If you have already lost your second step, use Google’s account recovery process rather than a link from an unsolicited message.
- Some devices or apps may ask you to sign in again. Follow the official sign-in prompts. Avoid switching off 2-Step Verification just to bypass a request you do not understand.
A small setup worth checking
Turning on 2-Step Verification is only part of the job: choosing a method you can reliably access and preparing a private backup make the setting more useful. Take a moment to review your recovery details, then keep an eye on Google’s security settings as your devices or contact information change.

