# Authentication

Go to `System Setting` ![sau đó](https://lh3.googleusercontent.com/3_l97rr0GvhSP2XV5OoCkV2ZDTIisAOczrSdzNCBxhIKWrjXjHucxNwocghoUa39gw=w36-h36)`Authentication`

![](https://34448296-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Mc36xfvNUZ7-wIWAhWb%2F-McSu5V7oAKhKkuaRMJ1%2F-McSwXlNgzzNlNWz0tZj%2FHuong-dan-dang-ky-dang-nhap-1-hoola.jpg?alt=media\&token=eaf039c2-10aa-484d-943a-ed7121767391)

### 1. Registration

{% content-ref url="authentication/registration" %}
[registration](https://docs.hoola.vn/english/system-setting/authentication/registration)
{% endcontent-ref %}

### 2. Number of devices allowed per account

{% content-ref url="authentication/number-of-devices-allowed-per-account" %}
[number-of-devices-allowed-per-account](https://docs.hoola.vn/english/system-setting/authentication/number-of-devices-allowed-per-account)
{% endcontent-ref %}

### 3. Login with Social Medi

{% content-ref url="authentication/sign-in-via-social-media" %}
[sign-in-via-social-media](https://docs.hoola.vn/english/system-setting/authentication/sign-in-via-social-media)
{% endcontent-ref %}

### 4. Share accounts

{% content-ref url="authentication/share-accounts" %}
[share-accounts](https://docs.hoola.vn/english/system-setting/authentication/share-accounts)
{% endcontent-ref %}

### 5. Policies and Terms of Service

{% content-ref url="authentication/policies-and-terms-of-service" %}
[policies-and-terms-of-service](https://docs.hoola.vn/english/system-setting/authentication/policies-and-terms-of-service)
{% endcontent-ref %}