If you haven't already, you'll need to follow these guides to get your wallet ready for staking.
Staking Solana (SOL)
- Once you have some SOL in your wallet, click on the Solana token balance in your wallet.
- Then click the "Start earning SOL" button
- Next, choose a validator to stake with. See Which validator should I stake with?
- Choose an amount and then click "Stake"!