Selling TRX (TRON) can be done through various online platforms and exchanges. Here is a step-by-step guide on how to sell TRX:

1. Choose a cryptocurrency exchange: There are several cryptocurrency exchanges where you can sell TRX, such as Binance, Coinbase, Kraken, and Huobi. Make sure to choose a reputable exchange with good security measures in place.

2. Create an account: Sign up for an account on the chosen exchange by providing your email address, creating a password, and completing any necessary verification steps.

3. Deposit TRX: Transfer your TRX tokens from your wallet to the exchange. This can be done by generating a deposit address on the exchange and sending your TRX tokens to that address.

4. Place a sell order: Once your TRX tokens are in your exchange account, navigate to the trading section and place a sell order. You can choose to sell your TRX for another cryptocurrency or for fiat currency, depending on the available trading pairs on the exchange.

5. Set the price: Decide on the price at which you want to sell your TRX tokens. You can either place a market order, which will sell your TRX at the current market price, or a limit order, where you set a specific price at which you want to sell.

6. Confirm the sale: Once you have set the price and quantity of TRX you want to sell, review your order and confirm the sale. Your TRX tokens will be sold at the specified price, and the proceeds will be credited to your exchange account.

7. Withdraw funds: After selling your TRX, you can withdraw the proceeds to your bank account or another cryptocurrency wallet. Make sure to follow the withdrawal instructions provided by the exchange to ensure a smooth transfer of funds.

Overall, selling TRX is a straightforward process that can be completed in a few simple steps on a cryptocurrency exchange. Just make sure to choose a reliable exchange and take necessary security precautions to protect your assets during the selling process.