Buying an NFT is relatively simple these days. In the first step, you will need to create a crypto wallet if you don't already have one and fund it. Then you will need to head over to an NFT marketplace and choose a particular NFT out of a collection that you really like and think may appreciate in value in the future. You can then either buy the NFT on the platform or place a bid for the NFT on the platform and if the creator likes your bid, will process the transaction in exchange for the amount you bid.