Multi-Touch dragging on Windows (seemingly never resolved?)

I’m needing to track multiple multi-touch inputs on Windows (and Mac OS ideally) trackpads, to be able to drag two or more things at the same time during runtime.

I know the InputTouch exists, and there were dozens of posts about it between 2014-16, but seemingly this hasn’t been resolved?

I’ve tried multiple routes, but all I can ever register is Touch 1, only when I’ve clicked the mouse.

Any ideas?? All I can find are questions about this with no solid answers aside from these: