Setup Hardhat project:

npm init
npm install --save-dev hardhat
npm install --save-dev @nomiclabs/hardhat-waffle ethereum-waffle chai @nomiclabs/hardhat-ethers ethers
npx hardhat

Other commands:

npx hardhat compile
npx hardhat test
npx hardhat node (to start hardhat local network)
npx hardhat run .\scripts\sample-script.js --network localhost
npx hardhat help