Download and install Phantom Wallet on the appstore or alternatively if you're on desktop download and install the Phantom Wallet browser extension.

Buy SOL in your Phantom Wallet or alternatively you can use an exchange to deposit SOL using your Phantom Wallet address.

Buy some $KRONK. Go to Raydium and paste the $KRONK Contract Address to swap your SOL for $KRONK.

If tokens don't show up in your wallet, copy the contract address and import into Phantom wallet.