Create a digital wallet.
Choose an NFT marketplace.
Buy cryptocurrency.
Connect your wallet to an NFT marketplace.
Upload the file you want to turn into an NFT.
Set up an auction or fixed price.
Add a description to sell your NFT.
Pay the listing fee to sell your NFT.

There are several options available on internet. However here are the steps on how to sell NFT art:

Create a digital wallet. You will need a digital wallet to store your NFTs and cryptocurrency. Some popular wallets include MetaMask, Coinbase Wallet, and Trust Wallet.
Choose an NFT marketplace. There are many different NFT marketplaces available, such as OpenSea, Rarible, and SuperRare. Each marketplace has its own fees and features, so it is important to choose one that is right for you.
Buy cryptocurrency. Most NFT marketplaces require you to pay in cryptocurrency, such as Ethereum or Bitcoin. You can buy cryptocurrency on many different exchanges, such as Coinbase, Binance, and Kraken.
Connect your wallet to the NFT marketplace. Once you have created a wallet and bought some cryptocurrency, you will need to connect your wallet to the NFT marketplace. This will allow you to transfer your cryptocurrency to the marketplace and start buying and selling NFTs.
Upload your NFT. Once your wallet is connected to the NFT marketplace, you can upload your NFT. You will need to provide a title, description, and price for your NFT.
Promote your NFT. Once your NFT is listed, you will need to promote it to potential buyers. You can do this by sharing it on social media, listing it on NFT directories, or joining NFT communities.
Here are some additional tips for selling NFT art:

Make sure your NFT is high quality and unique.
Set a competitive price for your NFT.
Promote your NFT on social media and NFT directories.
Be patient and persistent. It may take some time to sell your NFT.
Here are some answers to frequently asked questions about selling NFT art:

Can anyone sell an NFT? Yes, anyone can sell an NFT. All you need is an account with an NFT marketplace and a digital wallet.
How much does it cost to sell 1 NFT? The cost of selling an NFT varies depending on the NFT marketplace and the cryptocurrency you are using. However, most NFT marketplaces charge a fee of 2% to 2.5% of the sale price.
What are the risks of selling NFT art? There are a few risks associated with selling NFT art. First, the value of NFTs can fluctuate wildly, so you could end up selling your NFT for less than you paid for it. Second, there is always the risk of fraud or scams, so it is important to do your research before selling your NFT.
I hope this helps!

Selling NFT (Non-Fungible Token) art involves a combination of creating the artwork, minting the NFT, and listing it on a marketplace where potential buyers can find and purchase it. Here's a step-by-step guide on how to sell NFT art:

1. Create Your Artwork:
Start by creating a digital artwork that you want to turn into an NFT. This could be anything from illustrations and animations to music or virtual reality experiences. The quality and uniqueness of your art will greatly influence its value in the NFT marketplace.

2. Choose a Blockchain:
NFTs are typically created on specific blockchains that support the creation of these unique tokens. Ethereum was the first blockchain to support NFTs, but there are now several other blockchains like Binance Smart Chain, Flow, and Polygon that also support NFTs. Choose a blockchain that suits your needs, considering factors like transaction costs, speed, and community.

3. Set Up a Wallet:
To interact with NFT marketplaces and create NFTs, you'll need a cryptocurrency wallet that supports the chosen blockchain. Wallets like MetaMask (for Ethereum), Trust Wallet (for Binance Smart Chain), and others are commonly used for this purpose. Make sure to secure your wallet with a strong password and keep your recovery phrase safe.

4. Fund Your Wallet:
You'll need cryptocurrency (usually the native cryptocurrency of the chosen blockchain) to cover transaction fees and minting costs. Purchase the required cryptocurrency and transfer it to your wallet.

5. Mint Your NFT:
Minting an NFT involves creating a unique token on the blockchain that represents your artwork. Each NFT has metadata associated with it, which can include a description, image or video of the artwork, and other relevant information. There are various platforms that facilitate NFT minting, such as OpenSea, Rarible, Mintable, and more. Follow the platform's instructions to mint your NFT, including uploading your artwork and filling in the required details.

6. Set Royalties and Permissions:
Many NFT marketplaces allow you to set royalty percentages for yourself, which means you'll earn a percentage of any future sales of your NFT. Additionally, you can specify whether the buyer has permission to use the artwork in certain ways (e.g., for personal use only or for commercial purposes).

7. List Your NFT for Sale:
Once your NFT is minted, you can list it for sale on NFT marketplaces. Each marketplace has its own process for listing items. Typically, you'll need to connect your wallet, choose the NFT you want to list, set a price in the native cryptocurrency, and provide any additional information required.

8. Promote Your NFT:
To increase the visibility of your NFT, consider promoting it on social media, art forums, and NFT communities. Engage with potential buyers and art enthusiasts to generate interest in your creation.

9. Complete the Sale:
When a buyer is interested in purchasing your NFT, they will follow the marketplace's process to make the purchase using cryptocurrency. Once the transaction is confirmed, ownership of the NFT will be transferred to the buyer, and you'll receive the payment in your wallet.

Remember that the NFT market can be competitive, and success may take time. It's important to do your research, understand the market trends, and create high-quality, unique artwork to maximize your chances of selling NFT art successfully.