Start by researching and learning about NFTs, blockchain technology, and the various marketplaces where NFTs are bought and sold.
Decide what kind of NFTs you are interested in. NFTs cover a wide range of digital assets, including art, music, virtual real estate, virtual goods, and more.
To buy, sell, or create NFTs, you'll need a digital wallet that supports blockchain transactions. Popular options include MetaMask, Trust Wallet, and Coinbase Wallet.
To purchase NFTs, you'll need cryptocurrency (usually Ethereum, but other blockchains are emerging) in your wallet.
There are various NFT marketplaces available, each with its own unique features and user base.
Spend time exploring the marketplace and looking at the NFTs available. Read descriptions.