1. Login to the Exchange.
2. Go to "Buy & Sell" on the menu.
3. Choose “Coins”.
4. Select the coin you wish to sell by clicking over it.
5. Click "Sell Now"
6. Select the currency you wish to sell for, enter the amount you wish to sell, and click "Sell".
Please note that transactions on the blockchain are irreversible and final, so double-check the amount before confirming the transaction.