In order to stake, NEO must be stored on a local wallet, where you control the seed/private keys.
Remember, it's best practice to always withdraw coins from an Exchange.
Staking NEO means generating GAS. It's easy to stake because holding NEO in your own wallet is the only requirement.
Open NEO wallet
Copy your NEO address
Send or withdraw NEO from exchange or other wallet to your NEO address
✨ Now you're staking NEO and earning GAS, every block or 16 seconds.