1. Make sure the chainlink local node, contracts and this directory (webclient) are siblings in the same directory
2. Start the chainlink local node

• If you used the address value in the config/config.json file before starting the chainlink local node, create a .secret file in the root of webclient otherwise and paste the corresponding privateKey in the file, go to 3

3. Go to the contracts directory and npm install then truffle migrate --reset
4. In this directory, run npm install and npm run dev to start development client