# Cách Sử Dụng Google Authenticator

## Bước 1: Tải Về App

Tải xuống và cài đặt **Google Authenticator** từ Google Play Store hoặc Apple App Store.

![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FPsbajEnvgzNyk3NSBn8u%252FIMG_0180%25E5%25AE%2589%25E8%25A3%2585.png%3Falt%3Dmedia%26token%3Ddef9864d-db86-49a8-bd9a-5f40f094c623\&width=768\&dpr=4\&quality=100\&sign=c7e22db9\&sv=2)![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FFTsRU7aOi3Qq0YvIbKeG%252FIMG_0179.PNG%3Falt%3Dmedia%26token%3D7ae8f6df-6955-48c2-8e90-84193b241371\&width=768\&dpr=4\&quality=100\&sign=247a3585\&sv=2)

## Bước 2: Thêm Tài Khoản

1. Mở ứng dụng **Google Authenticator**.
2. Nhấn vào biểu tượng **"+"** ở góc dưới bên phải.
3. Chọn một trong các tùy chọn sau:

* **Scan a QR Code**: Sử dụng điện thoại để quét mã QR được cung cấp.
* **Enter a Setup Key Manually**: Nhập tên tài khoản và khóa được cung cấp, sau đó chọn xác minh dựa trên thời gian (mặc định).

![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FCbcG0651X1s9OsUqLNjc%252FIMG_0183%25E5%25AE%2589%25E8%25A3%2585%25E4%25B8%25AD%25E6%2596%2587.png%3Falt%3Dmedia%26token%3D8f77da11-7d34-49c6-b370-9d3ac8359245\&width=768\&dpr=4\&quality=100\&sign=c26055ae\&sv=2)![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FS7sSpLdu6qHwcUa11K58%252FIMG_0184%25E8%25BE%2593%25E5%2585%25A5%25E4%25B8%25AD%25E6%2596%2587.png%3Falt%3Dmedia%26token%3D3aff35ad-b310-44fd-8b9e-21c2ca49a2bd\&width=768\&dpr=4\&quality=100\&sign=11d26ab6\&sv=2)![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FOv2oTWdh79EgjCOLExGV%252FIMG_0181%25E5%25AE%2589%25E8%25A3%2585%25E8%258B%25B1%25E6%2596%2587.png%3Falt%3Dmedia%26token%3D821c2973-43c1-462e-b89d-f9f24d797533\&width=768\&dpr=4\&quality=100\&sign=1c22c048\&sv=2)![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FQXpM3s9HYrcxTOf2sTkD%252FIMG_0182%25E8%25BE%2593%25E5%2585%25A5%25E8%258B%25B1%25E6%2596%2587.png%3Falt%3Dmedia%26token%3D2b2f749c-e8f8-4a01-b965-dccac9f76644\&width=768\&dpr=4\&quality=100\&sign=42ae2709\&sv=2)

## Bước 3: Lấy Mã Xác Minh

Sau khi thiết lập, bạn sẽ thấy một mã gồm 6 chữ số trong ứng dụng. Mã này tự động làm mới sau mỗi 30 giây.

<figure><img src="https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FiuHT7EKdS4Fk5zRXEw0G%252FIMG_0185%25E7%25BB%2591%25E5%25AE%259A%25E5%25AE%258C%25E6%2588%2590.png%3Falt%3Dmedia%26token%3D38739f97-ab2b-4d50-9aa0-67b827049037&#x26;width=768&#x26;dpr=4&#x26;quality=100&#x26;sign=d8fd0302&#x26;sv=2" alt=""><figcaption></figcaption></figure>

## Bước 4: Xác Minh Danh Tính

Nhập mã 6 chữ số vào trường yêu cầu trên nền tảng để hoàn tất quá trình xác thực.

![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252F8JjyW2oCNO9oKcQhX2WY%252F%25E8%25B0%25B7%25E6%25AD%258C%25E9%25AA%258C%25E8%25AF%2581%25E5%25B7%25B2%25E5%25AE%2589%25E8%25A3%2585%25E6%259C%25AA%25E7%25BB%2591%25E5%25AE%259A.png%3Falt%3Dmedia%26token%3D646fa949-bf8b-407d-9db2-31603ae14763\&width=768\&dpr=4\&quality=100\&sign=952f1dab\&sv=2)![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FxdjHSieaCUqX4tabqyLG%252FEN%25E8%25B0%25B7%25E6%25AD%258C%25E9%25AA%258C%25E8%25AF%2581%25E5%25B7%25B2%25E5%25AE%2589%25E8%25A3%2585%25E6%259C%25AA%25E7%25BB%2591%25E5%25AE%259A.png%3Falt%3Dmedia%26token%3D626f3e6e-a2c6-4be3-b533-2540061699c8\&width=768\&dpr=4\&quality=100\&sign=e394b1d3\&sv=2)![](https://avedex.gitbook.io/~gitbook/image?url=https%3A%2F%2F3981366876-files.gitbook.io%2F%7E%2Ffiles%2Fv0%2Fb%2Fgitbook-x-prod.appspot.com%2Fo%2Fspaces%252FzXrZvEaTquGWAMSw8WeP%252Fuploads%252FAvpeRmiKZlVabcPqo9OZ%252FEN%25E8%25B0%25B7%25E6%25AD%258C%25E9%25AA%258C%25E8%25AF%2581%25E7%25BB%2591%25E5%25AE%259A%25E6%2588%2590%25E5%258A%259F.png%3Falt%3Dmedia%26token%3Dbcdd8438-45ed-482d-a26e-11c89f836dc4\&width=768\&dpr=4\&quality=100\&sign=f24c8c37\&sv=2)

## <mark style="color:red;">Lưu Ý Quan Trọng</mark>

* **Sao lưu khóa bảo mật** trước khi đổi thiết bị để tránh mất quyền truy cập.
* **Đồng bộ thời gian trên thiết bị** để tránh lỗi mã không hợp lệ.


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