Get it here or via 'Help > Check for Updates'.
Please ensure you have 'Auto-Save' and 'Backups' enabled in the Preferences
What's changed from 8.3.0:
- Fixed 'Mouse-Wheel' scrolling in 'Task Tree', 'List View', 'Gantt Chart' and 'Workload' views
- Fixed 'Move Up/Down' in 'Kanban Preferences'
- Fixed 'Insert Date/Time' keyboard shortcut for new installs
- Fixed 'Kanban' dragging of 'Custom Attribute' tasks
- Fixed 'Mind Map' and 'Evidence Board' rendering under 'Windows 7 Classic Theme'