> For the complete documentation index, see [llms.txt](https://gitbook.humanode.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook.humanode.io/docs/tools-and-services/polkadotjs-extension/wallet-setup.md).

# Wallet Setup

{% hint style="info" %}
You can use another substrate-compatible wallet if you know what you are doing.
{% endhint %}

### Install the polkadot.js extension

You can get the polkadot.js browser extension from here:

{% embed url="<https://polkadot.js.org/extension/>" %}

### Import the key

Import your mnemonic as a key into the polkadot.js extension.

First, open the extension. Then, press on the<img src="https://3650756084-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FULdtKGHYBrV0LyCaxWKd%2Fuploads%2FSKLtJyAhKoiJHGfZn88l%2Fimage.png?alt=media&#x26;token=29308435-023a-45ec-b0e7-94df394d7387" alt="" data-size="line">button at the menu:<br>

![](/files/Q1Mh3qPdWEQ2i9ihO2Dp)

Press on "Import accounts from pre-existing seed", then follow the dialog to import the key.

![](/files/6PIXi8bZjsUEOE2SKFix)

In the end, you should see the address corresponding to your validator key. Use this address when getting the tokens from the faucet.