Easier to link am article than write one myself.

I only glanced through this one, it may not be 100%,but it gets the salient points.

https://www.emsisoft.com/en/blog/18770/the-truth-about-windows-10-spying-on-almost-everything-you-do/

The problem mostly exists on Windows Home versions, since they're not managed by am orga izatkom. Plus during initial setup it makes it seem like a Microsoft account is required, which means MS collects a lot of activity data about you.

I only run Pro, and disable many of these unused services with tools like O&O Shutup and setting specific registry keys.