# Install PolkadotJS

{% hint style="warning" %}
PolkadotJS is installed to use Zenlink DEX on Bifrost
{% endhint %}

**Step1:** Install the extension from [here](https://polkadot.js.org/extension/) and click "Download" and import the extension. 

![](/files/-Mf7WRwnYpCBr9HJDLyc)

**Step2:** Open the Polkadot.js extension and click "+", then you can see the following options.

![](/files/-Mf7Y3u_tT_2JPkiQJfV)

**Create new account:** You can make a new account from 12 seed phrase. \
**Derive from an account:** You can make a new account from your existing account. The same seed phrase is used to make another account.\
**Import account from pre-existing seed:** If you are using other wallets such as Polkawallet and Fearless wallet, you can  import your account to Polkadot.js by using the pre-existing seed phrase.\
**Restore account from backup JSON file:** Another way to restore an account is to use a JSON backup file. 

**Step3:** Click "Create new account" and check the seed phases, then check the blank and click "Next step".

{% hint style="danger" %}
If you already have an account, you can import the account by using seed phrase or a JSON file.
{% endhint %}

![](/files/-Mf7ZXTYoogNNqJtbwz2)

{% hint style="danger" %}
Please never share the seed phrase and keep it in a safe place!!!
{% endhint %}

**Step4:** Decide your account name and password, then click "Add the account with the generated seed".

![](/files/-Mf7_ewGqGsXPbbTjViN)

Here, you have completed the creation of your account and your address can be used for all Polkadot networks such as Astar and Kusama. Native Substrate address starts from 5 and Polkadot address starts from 1. 

{% hint style="warning" %}
The following tutorial will be released when Zenlink goes live.
{% endhint %}


---

# 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://wiki.zenlink.pro/zenlink-dex-dapp/user-guide/install-polkadotjs.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.