Currency exchange in Personal cabinet
Cryptocurrency exchange in your Personal cabinet is possible through the Transfer funds - Currency Exchange service.
Exchange transactions are carried out inside your ewallet. If funds are deposited on trading accounts, and you need an exchange in your personal cabinet, first use the internal transfer between accounts.
Exchange on the trading platform
Cryptocurrency exchange on the trading platform is carried out after opening a trading account and transferring funds from ewallet to a trading account (via internal transfer in your personal cabinet).
The entrance to the trading platform is via trading terminals. You can find out how to enter the terminal in this article.
You can also read the detailed instructions on how to start trading on Free2ex.