Set up MetaMask
Connect MetaMask (E.G. Avalanche C-Chain)
a. Click the drop-down menu and select "Custom RPC."

b. Enter the following information into the respective fields:
- Network Name: Avalanche Network
- New RPC URL: https://api.avax.network/ext/bc/C/rpc
- ChainID: 43114
- Symbol: AVAX
- Explorer: https://cchain.explorer.avax.network/
You have now successfully added the Avalanche Network RPC