I'm in a similar boat. I bought my child a cheap PC, it came with Windows 10, and it took a lot of careful configuration to turn off all the tracking and advert

I'm in a similar boat. I bought my child a cheap PC, it came with Windows 10, and it took a lot of careful configuration to turn off all the tracking and advertising. Then it kept nagging to update Windows 10 (what we used to call a service pack), never mind that it kept scheduling to do it overnight, would reboot and fail. Finally, I got it to download and install the latest win10, and as noted by others, it was essentially an entire re-install of the OS. But here's where it got nasty: the user data was kept, but all of the privacy settings and default apps were reset. Actually not reset, it made you go through the OS configuration screens where it always suggests the default (share all user and browsing information with MS). The configuration was so full of dark patterns: the default is a single button on the screen, but the non default settings are accessed through an underlined link that is not very descriptive. Or turning off tracking is labeled advanced and opens another window. This was the real scary part to me: if you are not a savvy user and know to turn off these things, Win 10 defaults will track everything you do, including your browsing activity ("to provide suggestions"). These basic privacy settings should not be hiding behind dark patterns.