Brave Wallet automatically provides a list of the most popular networks used in Web3. However, if you do not see a desired network available, you can add a custom network from your Web3 settings.

Click on the main menu (  ), choose Settings > Web3. Alternatively, you can enter brave://settings/web3 in your address bar.

Select the Wallet Networks option.

Click Add in the top-right.

Next, you can search for the network from the list provided or enter the details manually. 

Click Submit once all details have been entered.