Click on the menu icon in the "My Profile" top right corner, then select Platform settings and you will be able to customize the following settings:
Platform & Trading: Configure settings such as safety trading options, position netting, and trade signals, show duration for Take profit/stop loss orders, and enable 'Force open' or conditional orders.
Appearance: Switch between dark and light modes, highlight price change and trade button styling. There are additional settings In Totality Prime, such as workspace and multiple views management, and font size options.
Regional & language: Language, time zone, format.
Chart: Set personal defaults on charts.
Notifications: Manage in-platform, email and push notifications (mobile).
Login & system info: Set automatic logout, manage your trusted devices, and change the password.
Note that not all the above-mentioned settings are available on all platforms, for example, Totality Core doesn't have the default order settings, and Totality Prime doesn't have Trade signals settings.