1. To purchase an NFT at a fixed price, please open the detailed page of the NFT that lists the fixed price, and then click the "Buy" button displayed below the price.

2. Before the first purchase, you need to authorize the contract to use your corresponding tokens for payment.

3. After authorization, you can confirm the details of this purchase, click the "Confirm" button, and initiate the purchase transaction. If the balance is insufficient, you can use your wallet.

4. After confirming the payment, the status will show "waiting for transaction". After the transaction is confirmed on the chain, a banner prompt will be displayed.