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Note: Right-click with a Wacom pen button won’t work. Instead, use the mouse right-click or the Windows button.
This seems to be a part of Microsoft’s “PowerToys” https://apps.microsoft.com/detail/xp89dcgq3k6vld?hl=en-US&gl=US
I also used EpicPen, which is functionally similar to ZoomIt but needs a license. Furthermore, EpicPen seems older software. ZoomIt does have more features, but I don’t use those.