> For the complete documentation index, see [llms.txt](https://wiki.zenlink.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.zenlink.pro/zenlink-dex-dapp/user-guide/install-polkadotjs.md).

# Install PolkadotJS

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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.
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![](/files/-Mf7ZXTYoogNNqJtbwz2)

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Please never share the seed phrase and keep it in a safe place!!!
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**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 %}