In order to mint you must have access to a metamask wallet (https://metamask.io/), your wallet then needs to have enough ETH to mint the NFT aswell as a little extra to fund gas fees. You can get ETH into your wallet by purchasing with card through platforms like Binance, Coinbase and Moonpay. Once it is ready you can connect your metamask wallet to our official site on mint day, and press the mint button. After your transaction has completed your NFT will be placed inside of your OpenSea account that is connected to your wallet.