OK! Here is one (I know works)..
If "Anniversary Edition" has been updated/installed and you use Microsoft Edge (I don't) maybe try it.
That’s because if you open a site like Target.com or BestBuy.com in Edge, Microsoft’s digital assistant, Cortana, will often appear and offer to use one of several coupons it found automatically.
Now that’s helpful. If your into Coupons
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If you are into "DARK Desktop" The Anniversary Update added a "Dark Theme" Settings>Personalization>Colors
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If you’d like to be able to just bark commands at your PC, open
Cortana by clicking the search field in the taskbar and select the
Notebook icon in the left-side options pane. Select
Settings from the list, then simply enable the
Let Cortana respond when you say “Hey Cortana” option. You’ll need an active microphone for this to work, of course.