Why is the button «New Order» inactive?
There are two types of access to account in the trading platform: main and investor. Authorization using the main password gives full rights to work with the terminal. In case of investor authorization You may look through the state of Your account, analyse price data and work with expert advisors, but You can’t perform trading operation.
Most probably You use the investor password to access the account.To perform trading operations You should change the password for the main one in Your settings.
Investor password for a demo-account is generated automatically when the account is opened and it is sent with the main password by the internal MetaTrader mail.
Investor password for real accounts is assigned by the owner of the trading account.