BTC/USDT is a popular trading pair on FameEX's platform. To trade this pair, you first need to have a FameEX account and some USDT (Tether) in your wallet. You can deposit USDT into your FameEX account by clicking on the "Deposit" button and following the instructions.
Once you have USDT in your FameEX wallet, you can start trading BTC/USDT. Simply go to the trading page and select the BTC/USDT trading pair. You will see a price chart and a trading view, which shows you the current market price and trading volume. You can place buy or sell orders based on your analysis of the price chart and your trading strategy.