Backups and backups are always important and necessary in any case. And at this step, click Next to switch to the next option:
Google will list 10 random verification codes that will never expire, save them to prevent loss or misplacement of your phone by printing to paper, taking screenshots, writing to books hand . Then, check the box Yes, I have a copy . and click Next :
Next, Google will ask for the backup phone number you want to use in case the main phone number is lost:
Once you're done setting up this backup plan, you'll need to learn more about the passwords that correspond to the application. Basically, Google Password currently doesn't work, except for Google.com services like Gmail, Docs, Reader, Voice . instead of having to create a new password for another application or service. . Click Next here:
After that, the system will display the Turn on 2-step verification function button:
A pop-up window will appear, this is the step that determines whether you want to continue using this feature. Here, we click OK:
And from then on, every time you log in to your Google account via a browser, the system will ask you to enter the correct information via 2 main steps, password and confirmation code (sent via text or voice message). :
In some special case, you do not receive the confirmation code after registering, try the following alternatives:
And in the first login after applying the 2-way security method as above, the system will ask you to set a password for each application:
We will mention this feature in the next article
When you've completed all of the above steps (averaging about 10 minutes), it's not too difficult and complicated, but you won't have to worry every time your account shows signs of being looked at by others:
Good luck!