To withdraw BTC go to the correct menu : Funds - BTC - Withdrawals
The first step is to add a wallet to use for withdrawals.
You can give the wallet any name that you like.
Choose the required wallet from the list. Specify the amount.
Commission on the withdrawal is 0.0005 BTC
If you withdraw the entire amount, the commission will be deducted from the total funds that are withdrawn.
If you are going to withdraw a part of the total funds, then the commission fee of 0.0005 BTC will be taken from the remaining balance.