Microsoft's personal assistant Cortana, named after the Master Chief's AI companion in Halo, offers quite a few useful features to Windows 10 users. As more people update to Microsoft's latest OS, more app developers are jumping in and adding support Cortana.

But how do you know which apps will work with the personal assistant? As it turns out, it's quite easy!

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First, open Cortana by clicking on the Windows 10 search bar. From there, click the "?" button on the left side of the menu. From there, scroll down to the area below the horizontal line and you'll see a list of apps that work with the Cortana.

If you want to see what kinds of things you can do with Cortana and an app, just click its name on the Help screen, and she will offer some of the things you can say to the app.

How do you use Cortana on your Windows 10 PC? Let us know!