Disclaimer: You MUST have a wallet connected with the L2 address funded and activated!
If you haven't activated your wallet, check this article first: How to activate Layer 2 & buy your first NFT
Browse the Marketplace Explore Tab for the NFT you'd like. Here you have the option to browse collections or NFTs.
Selecting the NFT will bring you to the NFT Details Page. On this page, select "Buy Now."
Depending on the number of editions (copies) of the NFT, you will be asked to choose the quantity you'd like to purchase. From here, select "Confirm Payment" and sign the transaction via your wallet!
Next, you may want to do a number of things with your NFT: