How do I add the Etherlink network to my wallet?

If you are connecting using a third-party wallet such as MetaMask, you will need to add the Etherlink network to your wallet application's list of networks. Navigate to your wallet's list of networks, add a new custom network, and enter the following information where prompted:
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Network Name: Etherlink Mainnet
RPC URL: https://node.mainnet.etherlink.com
Chain ID: 42793
Currency/Symbol: XTZ
Block Explorer: https://explorer.etherlink.com

Reference: https://docs.etherlink.com/get-started/network-information/