Well, Cortana is coming to Windows 10. In fact, if you have the latest Technical Preview of Windows 10 downloaded (as part of the Windows Insider program) you can already start playing with Cortana. Just make sure all the language and regional settings are set to US.
Sadly, she does not look quite as amazing as she did in the Halo 4 game on Xbox, instead she is a very pretty animated circle!
To learn more about what Cortana will be capable of and how she was imagined and then built into Windows Phone and now Windows, watch the video below:
How Cortana Comes to Life in Windows 10 (direct link)
For more information, see the full article on Blogging Windows blog:
This article was originally posted on http://www.winthropdc.com/blog.