# Setup Your Wallet

If you haven't already, install MetaMask, an in-browser extension that allows you to connect to blockchain based decentralized applications, or "dApps":

* [https://metamask.io](https://metamask.io/)

MetaMask will allow you to interact with Ethereum-based networks and testnets, as well as networks like Polygon and Arbitrum.

{% hint style="info" %}
First time setting up metamask? [**Here is an official guide**](https://metamask.zendesk.com/hc/en-us/articles/360015489531-Getting-started-with-MetaMask)
{% endhint %}

Make sure you have selected the **Goerli Test Network** (or whatever testnet you prefer) from the network dropdown menu at the top of the MetaMask window.


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