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What is Google Authenticator App and How To Install It?

What is Google authenticator app and how to install it? You have to learn clear about it. There are a lot of different ways to keep your online accounts secure these days. Two-factor authentication is one of the most popular and effective methods. Google Authenticator is a two-factor app that’s available for Android and iOS devices, as well as for some desktop browsers. In this article, we’ll explain what Google Authenticator is and how it works.

What is Google Authenticator?

Google Authenticator is an app designed to provide an extra layer of security for your online accounts. When you enable Google Authenticator for an account, you’ll need to provide both your password and a code generated by the app in order to log in. The code is generated based on a secret key that is shared between the app and the account provider, so only someone with access to both the key and the app can log in.

While it may seem like an additional hassle to have to use two-factor authentication, it’s a much more secure way of protecting your accounts than just using a password alone. Hackers who manage to obtain your password will be unable to log in unless they also have your phone, which makes it much less likely that they’ll be able to gain access to your account.

Google authenticator how it works?

If you’ve ever used two-factor authentication, you may have used Google Authenticator. This app provides an extra layer of security for your online accounts. When you enable two-factor authentication for a service, you’ll need to enter a code from the Authenticator app in addition to your password. This means that even if someone knows your password, they won’t be able to access your account without also having your phone.

So how does it work? Google Authenticator generates codes using an algorithm that only it and the service you’re using know. That means that even if someone manages to get ahold of your phone, they won’t be able to generate the codes needed to access your accounts. To use the app, you’ll need to add each of your online accounts separately. Simple step Google authenticator how it works.


1. Strengthen security with Google Authenticator Get verification codes for all your accounts using two-step verification.

2. Set up your account with your camera to complete setup process or you can scan the QR code in your two-step verification settings for Google or any other third-party service.

3. A unique code that is changing in every 30 second used to sign in when using 2-Step Verification, you will enter your password and a unique code from this app. Ok Done

What are the types of 2-FA Authenticator?

There are many types of 2-fa authenticator apps available today. The most popular type is the Google Authenticator app, which is a free app that can be downloaded from the Google Play Store. Other popular types of 2-fa authenticator apps include Authy and LastPass.

Each type of 2-fa authenticator app has its own unique set of features, so it’s important to choose the one that best suits your needs. For example, some apps allow you to set up multiple accounts and provide different levels of security for each account. Others may offer more streamlined options for setting up and using your 2-fa authentication code.

No matter which type of 2-fa authenticator app you choose, always make sure to keep your recovery codes in a safe place in case you lose access to your device or forget your password.

How to install Google authenticator app?

In order to use Google Authenticator, you first need to download and install the app on your smartphone or tablet. This app, which is available for both in google Play store and apple app store. Go to play store or app store (This app is available only on the App Store for iPhone and iPad user) then type ”Google authenticator” you will found the authenticator app then click install. Google authenticator also available in chrome extension.

How to add secret code in Google authenticator app?

For setting your secret code first you need to generate secret code from your account and then link it to the accounts. When you open an account in online any site like google, Facebook, PayPal or any others site which is most sensitive account these site have an option of 2FA ( Two Factor Authentication) to secure your account.


Step-1. After open an account go to setting option of your account then you can see an option of 2FA setting, you go here.

Step 2. You generate a secret code from here, secret code may like this (JD34kdf849kcn), copy this secrets code and paste it to Google authenticator.

Step 3. To set the code, you open the authenticator app, see in below a plus (+) icon click in here

Step 4. Then you see two option one is Scan QR Code and another is enter a set up key. If you want to scan QR code then click “Scan OR Code” and scan the QR code from your provided respective account. If you want to enter secrets key then click ‘’enter a set up key’’ and enter the provided key and give an account name then click add.

Step 5. Now your 2FA key set up completed and your account linked to authenticator.

Step 6. Then you would be asked to enter a six-digit code that is generated by the Google Authenticator app with your normal account password. Now your setup completed.

More Help Please See Our Video:

The advantages and Disadvantages of Google Authenticator


  • 1. Authenticators provide an extra layer of security to protect user accounts from unauthorised access.
  • 2. They are easy to set up and require minimal effort to maintain.
  • 3. They can be used on multiple devices.
  • 4. Can be used for both personal and business accounts.
  • 5. Quickly verify the identity of users without the need for lengthy passwords or PINs.


  • 1. There is a risk that the authentication code may not arrive in time or at all, leaving users vulnerable to cyber-attacks.
  • 2. It can be difficult to keep track of multiple 2FA codes if they are generated differently on different accounts or devices.
  • 3. Some authentications methods require additional hardware like a USB key which can be expensive and difficult to replace if lost or stolen.
  • 4. Fraudsters may be able to bypass two factor authentication by hijacking a user’s phone number or email.


The Google Authenticator app is a great way to keep your account secure. It’s easy to use and works well with other security measures like two-factor authentication. Overall, the Google Authenticator app is a valuable tool for keeping your online accounts safe.

Frequently Asked Questions (FAQ)

What happens if you lose my 2FA verification codes and can’t access my account?

Answer: If you lost your 2FA verification codes and can’t access your account. It is true that you cannot access your account. Now one question is do you want to recover your 2FA code again? Is it possible to recover your 2FA code? The answer is Yes, it is possible to recover it once again. Now a question is how can I retrieve my 2FA code? Let’s read how you can recover.
Best method: Open your account on any site, you contact the support center and tell them your lost 2FA code, they will arrange to access your account after providing required documents or information. After accessing your account you set new password and new 2FA code.

How many accounts can you link two factor authentication to Gmail?

Answer: You can link as many accounts as you want to Gmail, but you can only use two factor authentication on one account at a time.
There are a few different ways to store 2FA codes for online accounts
1.The best way to store 2FA codes for online accounts is to write the 2FA code in your personal notebook diary then save the notebook diary in your custody so that nobody can find it. This is our recommended way.
2. In a password manager: This is a good option if you already use a password manager to store your other login credentials. You can create a separate entry for each 2FA code and label it accordingly.
3. In a dedicated 2FA code app: There are several apps that are designed specifically for storing 2FA codes.

Which is better Google Authenticator or Microsoft authenticator?

Answer: There is no clear consensus on which is better. Google Authenticator and Microsoft Authenticator are both two-factor authentication apps that can be used to secure your online accounts. They both have their pros and cons. Some people prefer Google Authenticator because it is easier to use, while others prefer Microsoft Authenticator because it is more secure. Ultimately, it comes down to personal preference.

Is there a Google Authenticator for PC?

Answer: There is no Google Authenticator app for PC, but there are a few ways to use Google Authenticator on your computer, Google Authenticator can be used on google Chrome extension. The easiest way is to download the Authenticator app, which is available for both Android and iOS devices. This app will generate the same six-digit codes as the Google Authenticator app and can be used to log into your Google account.
Another way to use Google Authenticator on your computer is to install the Microsoft Authenticator app. This app is available for both Windows 10 and MacOS devices. After installing the Microsoft Authenticator app, you’ll need to add your Google account to it. Once you’ve done that, you’ll be able to generate six-digit codes for logging into your Google account.

Can you use Google Authenticator on Chrome?

Answer: Yes, Google Authenticator can be used on Chrome.

What should a Google Authenticator user do if their smartphone is lost, stolen or broken?

Answer: If you lose your phone or it is stolen, you should deactivate Google Authenticator for your account as soon as possible. To do this, you will need to access your account from a computer and go to the security settings. Once you have deactivated Google Authenticator, you can set it up again on a new device.

What are the consequences of entering the wrong Google two-step verification code too many times?

Answer: If you enter the wrong Google two-step verification code too many times, you may be locked out of your account.

Does Google Authenticator work off line?

Answer: Yes, Google Authenticator is the best way to keep your accounts safe and secure, even when you’re offline. We are doing our best to cover all the issues of Google Authenticator. If you have any query please write in the comment section below and we will try to update this for you. Best of Luck.



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