# Setting Up Metamask (Polygon)

To buy Polar and use the Polaris platform on Polygon blockchain and you will need to set up the Matic network on your Metamask.&#x20;

&#x20;It’s pretty simple and straightforward, and it’s easy to switch back and forth between Layer 1 and Layer 2 using the button near the top of the MetaMask application.

* Click on the network selection button on the top of the Metamask app. Metamask installation is described in the previous BSC section.
* Click on the **“Custom RPC”** to add the Matic mainnet information.
* Select **“Custom RPC”**.

![](https://2340594966-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MVSQjtKqzBC752VII7b%2F-Md3OATy8qCajThstX0_%2F-Md3OSB4rdOeWy1Ohf9_%2Fimage.png?alt=media\&token=3f1acc4c-66e9-48ee-b61c-660ef0af69b5)

After clicking **“Custom RPC”**, a screen will appear allowing you to set up the custom RPC for Matic Network. Enter in the Matic mainnet details as follows:

![](https://2340594966-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MVSQjtKqzBC752VII7b%2F-Md3OATy8qCajThstX0_%2F-Md3OVh6NKFPtE-uNe9E%2Fimage.png?alt=media\&token=fb60ca99-ac9d-403d-8451-f9ad7a0bab68)

* **Network Name:** Matic Mainnet
* **New RPC URL:** Select one of the following
  * `https://matic-mainnet-archive-rpc.bwarelabs.com`` `**`(recommended)`**
  * `https://rpc-mainnet.matic.network`&#x20;
  * `https://rpc-mainnet.maticvigil.com`&#x20;
  * `https://rpc-mainnet.matic.quiknode.pro`&#x20;
  * `https://matic-mainnet.chainstacklabs.com`&#x20;
  * `https://matic-mainnet-full-rpc.bwarelabs.com`&#x20;
* **Chain ID:** 137
* **Symbol:** MATIC
* **Block Explorer URL**: [https://polygonscan.com/](https://polygonscan.com/)

Once you’ve added the details click on the “**Save”** button. You’ll then be connected to the Matic mainnet. That's all!&#x20;

Lastly, if you need a bit of MATIC coin to pay for gas fees for your first transaction, please visit the **Polygon faucet** at [http://matic.supply](http://matic.supply)
