User Camp has their Mind Maps Pro for PC in the Microsoft Store for FREE (regularly $19.99) for a limited time.

Mind Maps Pro is the most intuitive mind map app, made exclusively for the Microsoft Store. Organize your idea with pictures, shapes, colors, flags, and more. Use the auto-layout feature and make the perfect mind map, org chart, or family tree. Annotate and highlight your mind map with your pen, then export it to PDF or PNG for easy sharing. Or, sync your work to OneDrive for access on all your devices.