Windows 8.1 has arrived

Windows 8.1 details are officially here. I'm Jeff Bakalar, filling in for Bridget Carey. This is your CNET Update. Microsoft has unveiled the Windows 8.1 and showed off a bunch of the new fixes and features today at the Build event in San Francisco. Like we reported yesterday, the start menu is officially back, although it won't be as robust as you might remember it from versions past. Windows 8.1 still makes you dig a little deeper to find recent files, but right-clicking it will give you access to commonly performed tasks. Windows 8.1 will allow users to boot right into the desktop instead of the tile screen. Also new in 8.1 is Xbox Music, as the service is getting a heavy redesign to make for smoother navigation. Microsoft has also upgraded search functionality which now extends into SkyDrive, the web and apps- will even get relevant entertainment results when searching for music and movies. Other improvements include more flexibility with snap view, a much improved camera app and a new and improved Windows Store for a full list of everything that's new in Windows 8.1, head on over to CNET for a deeper dive. Microsoft also announced the developers who'd like to get their hands on Kinect for Windows can do so by opting in to the early access program for $400. Starting this November, the program will allow developers to begin crafting software for the platform in time for Kinect's Windows release which is set to take place sometime in 2014. Square, the mobile payment service-- that recently signed a massive partnership with Starbucks is now going after the likes of eBay and Amazon. Square Market will allow merchants to sell their products online without having to worry about the cost of building and maintaining their own websites. Square Market sellers will not pay a listing fee, but instead will have to hand over 2.75 percent of an item sale price. A new report from security firm lookout says that an alarming amount of Android users are installing apps riddled with adware. According to the firm, 1 million Android users have unknowingly downloaded adware and as much as 6.5 percent of all the free apps in Google's Playstore contains some form of adware as well. Speaking of Google, the company is now selling the Google Play editions of the Samsung Galaxy SIV and the HTC One for a shipping date of July ninth. The SIV will go on sale for $650, while the HTC One will come in at $600 even. That's gonna do it for your tech news update. You can find more details on these stories and more at CNET.com/update and follow along on Twitter. From our studios here in New York, I'm Jeff Bakalar.