First of all, you need Phantom wallet for minting Punk Cats. You can download from here:https://phantom.app/
After downloading Phantom, you must have Solana on your wallet. You can buy Solana from various exchanges: Binance, Ftx, Coinbase etc.
You can mint your Punk Cat for 2 Sol + Gas fee. Approximately 2.1 Sol will be enough.
When the minting date comes, first you have to connect wallet via Connect Wallet button
After clicking button you have to allow connection.
Now you are ready to Mint!
When you press the mint button you will see approve of the transaction.
After confirm you will see your Punk Cat on your wallet's Collectibles section.