If you're currently running an older version of Windows and want to upgrade to Windows 8 when it's released, you might want to look at Amazon.com's upgrade deal.
Amazon Echo Review: "Alexa, why are you so cool and frustrating at the same time?"
amazon echo promo
Windows 10 for phones news
Windows 10 for phones
All the latest on Windows 10
Windows 10 promo
The YotaPhone 2 is probably the most interesting phone since the iPhone 3G - Review
All the news from Mobile World Conference 2015