If you own a recent Apple device, you'll want to make the jump to iOS 9: Better battery life, improved native apps and multitasking prowess on the latest iPad make this upgrade a no-brainer.
Android 6.0 Marshmallow is out now. This is everything you need to know about Google's mobile operating system update.
Windows 10 delivers a refined, vastly improved vision for the future of computing with an operating system that's equally at home on tablets and traditional PCs -- and it's a free upgrade for most users.
From new Continuity features to smaller, useful tweaks across core apps, Mac OS X Yosemite is a must download for Mac users.
With the latest version of iOS and an NFC-equipped iPhone, you'll finally be able to pay for transactions with Apple Pay.
Google gives us a preview of the future of its mobile operating system.
Google is taking yet another shot at a living room software platform with Android TV, which runs on the upcoming Android L platform.
With new functionality for the Start button and separate experiences for desktop and tablet users, the Windows 8.1 update finally gives people what they want.
Nokia sure tried hard to give us something new, but its mashup of Android, Windows Phone, and Asha gives its Nokia X phone limited powers and a nagging identity crisis.
The new Ubuntu Touch operating system for phones and tablets blows away rivals Firefox OS and Tizen -- and it may even be better than iOS and Android.
In an early demo of Tizen OS on a Samsung phone, the new OS looks a lot like Android -- and is clearly a long way from prime time.
Mozilla's mobile operating system, unveiled at Mobile World Congress, won't win over many iOS and Android faithful. But it's credible for low-budget feature-phone owners.
Due in mid-2005, Apple's new Mac OS X 10.4 promises more than 200 features.