# Hướng dẫn nhập key Avast Mobile Security Premium

{% embed url="<https://youtu.be/vGkhZsz0n8k>" %}

**Bước 1:** Tải app trên [**AppStore**](https://www.avast.com/vi-vn/free-ios-security#pc) hoặc [**CH Play**](https://play.google.com/store/apps/details?id=com.avast.android.mobilesecurity\&hl=vi)

**Bước 2:** Mở app vừa tải về chọn hình răng cưa ở góc trên bên trái màn hình.

<figure><img src="/files/cODP6GmB0ggLnjiI8uCC" alt=""><figcaption></figcaption></figure>

**Bước 3**: Chọn **Free.**

<figure><img src="/files/g74qjOqEHHhlHoTEq4z3" alt=""><figcaption></figcaption></figure>

**Bước 4:** Chọn **Enter activation code.**

<figure><img src="/files/t3h4l0CA1NJNBH0Pn6f6" alt=""><figcaption></figcaption></figure>

**Bước 5**: Nhập code rồi chọn **OK.**

<figure><img src="/files/3A183F69m9WX2aOqqiSK" alt=""><figcaption></figcaption></figure>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.divineshop.vn/huong-dan-cai-dat-va-su-dung-san-pham/huong-dan-nhap-key-avast-mobile-security-premium.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.