Go to this page and follow the instructions: Configure Wallet
The app will configure your wallet for you, quickly and automatically. All you have to do is have your wallet connected.
If you are using Metamask and still having issues or would like to learn more, this is a great guide for configuring your wallet.
https://metamask.zendesk.com/hc/en-us/articles/360015489031-How-to-display-tokens-in-MetaMask#h_01FWH48R495MR9DQEDHJ89QNDA
If you are not using Metamask, you can still use this link to quickly and automatically configure your wallet: Configure Wallet. However, if you need help with configuration, please refer to your wallet's user guide.