For all notifications right-click the server, select "Notification Settings" and select your preferences for each server you are a member of. For DMs click on the little gear icon in user settings (lower left of the screen), click on Notifications on the left menu, scroll down and turn "Message" off. Done.
You can withdraw capital from your Admiral Markets trading account by providing a withdrawal insistence from your Admiral Markets "Trading Room" Client Area.
A VFSC license or "Vanuatu Financial Services Commission License" gives brokers access to uncapped leverage. In addition, brokers can act as an STP broker or a market maker. The VFSC allows PAM/MAMM accounts as well as money management services.
Yes, you can get a GO Markets demo account with $50,000 in virtual money to trade with, for free using GO Markets servers to test out their trading services.