# 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. 

![](https://290061002-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Mcs9C52G4j4nqQnKPYa%2F-Mf7UkLZFQXZziIrf5tO%2F-Mf7WRwnYpCBr9HJDLyc%2Fimage.png?alt=media\&token=fd80ebd8-0453-4847-8f05-ba73f36926ae)

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

![](https://290061002-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Mcs9C52G4j4nqQnKPYa%2F-Mf7UkLZFQXZziIrf5tO%2F-Mf7Y3u_tT_2JPkiQJfV%2Fimage.png?alt=media\&token=2c0d846e-e3c7-4787-a90a-75d874255239)

**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 %}

![](https://290061002-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Mcs9C52G4j4nqQnKPYa%2F-Mf7UkLZFQXZziIrf5tO%2F-Mf7ZXTYoogNNqJtbwz2%2Fimage.png?alt=media\&token=b41dc43e-9a82-42e6-ba7f-33f5fe7a2392)

{% 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".

![](https://290061002-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Mcs9C52G4j4nqQnKPYa%2F-Mf7UkLZFQXZziIrf5tO%2F-Mf7_ewGqGsXPbbTjViN%2Fimage.png?alt=media\&token=e18bdc7b-cb5c-4886-a3b8-f6cccd471ce3)

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 %}