There are several ways to buy cryptocurrencies on Binance
Spot Trading:
Go to the 'Trading' section and choose 'Classic' or 'Advanced'.
Look for the trading pair you want (e.g., BTC/USDT to buy Bitcoin against the USDT digital dollar).
Select the 'Buy' option.
Choose the order type (Market for immediate execution at the best available price, or Limit to set the purchase price you want).
Enter the amount you wish to purchase and click 'Buy'.
P2P Trading (Peer to Peer):
Go to the 'P2P Trading' section.
Select 'Buy'.
Select the currency you want to buy and the payment method that suits you.
Choose an offer from one of the sellers and verify the price and available limits.
Enter the amount and click 'Buy Now' and follow the instructions to complete the payment. After you confirm the payment, the seller will release the cryptocurrencies to you.
Selling cryptocurrencies:
