If you want to install the MetaTrader4 platform, you must first sign up for a demo account. You can do it here. As soon as the download is complete, you must launch the setup file. The software will automatically use PlayOnMac to open it. Follow the detailed instructions of installation.
As soon as the installation is complete, PlayOnMac will propose to create shortcuts for MetaTrader 4 components - MetaEditor and the client terminal itself.
As soon as these shortcuts are created, the user can start using MetaTrader 4. In order to launch the terminal, click twice on it in PlayOnMac window.
Finish the last step and login to use the software!