To change the network configuration in MetaMask, follow these steps: 1. Open MetaMask and click on the network selection dropdown. 2. Select "Custom RPC." 3. Enter the Binance Smart Chain details: Network Name: Binance Smart Chain New RPC URL: https://bsc-dataseed.binance.org/ Chain ID: 56 Symbol: BNB Block Explorer URL: https://bscscan.com/ 4. Click "Save" to apply the changes.