As a parent and IT professional, my advice on Microsoft Windows 10 is two words: Don't upgrade. It removes control from parents and users, putting it in the hands of Microsoft and its increasingly aggressive advertising partners.
The most egregious example is Family Safety. Unlike previous versions, Microsoft has taken away the "Allow only list," which only allowed a specific, parent-controlled "white list" of websites. Instead, Microsoft expects us to trust it to block "inappropriate" sites and allow everything else. You can block specific websites, but only in "Recent Activity" after your children have already visited them.
In addition, Microsoft now allows all users — including small children — to run, install and buy apps and make other Microsoft Store purchases. You can't stop it. You can only restrict apps by ESRB rating. No rating? No way to block the app. Also, all child accounts now require a Microsoft account and email. That's right. You can't use Family Safety unless you give your 4-year-old a Microsoft account and email.
Microsoft's feedback boards are full of Microsoft responses that use the phrase "by design" with no real explanation. It's clear that Microsoft's "free" Windows 10 upgrade has a heavy cost: aggressive advertising with no reasonable opt-outs or user control over their own PC. Until they change their tune, stay with Windows 8.1.
Andrew Davies
Orem