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.
Or go to https://chainlist.org/?search=palm and add from there
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.