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.
Android 9.0 is already on some Android phones. Here's what you can expect when it comes to yours.
Chrome OS struggles with the delineation between apps and Web sites, even though they are fast growing together. Great for students and casual home use, the day is coming when it'll be competitive, but it's not yet a replacement for a more mature OS.
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.
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.
With the latest version of iOS and an NFC-equipped iPhone, you'll finally be able to pay for transactions with Apple Pay.
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.
If you own a Mac, you'll want El Capitan. This update simplifies the Mac experience, improving the tools you already use while promising improved performance to come.
Unless you're really into Photos or have installed the iOS 11 beta, there's no FOMO by passing on the public beta of Apple's latest OS.
Due in mid-2005, Apple's new Mac OS X 10.4 promises more than 200 features.
Windows Vista Home Premium is essentially warmed-over Windows XP Home Edition. If you're currently happy with Windows XP SP2, we see no compelling reason to upgrade. On the other hand, if you need a new computer right now, Windows Vista Home Premium is stable enough for everyday use.
Millennium is a great face-lift for Windows 98, but it's not a necessary upgrade. If you have technical difficulties or work with pictures or music, try the new OS. But if you're happy with Windows 98, stick with it.
From new Continuity features to smaller, useful tweaks across core apps, Mac OS X Yosemite is a must download for Mac users.
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.
Android 6.0 Marshmallow is out now. This is everything you need to know about Google's mobile operating system update.
Google gives us a preview of the future of its mobile operating system.
With lots of new features, the LG Watch Sport and Style are the first to use the new software -- and it's promising.
iOS 10 serves up plenty of useful quality of life improvements, but a few rough edges keep it from shining too brightly.