Microsoft Rolls Out Windows 10 PC Preview Build 11099 By Staff Reporter | Jan 14, 2016 05:21 PM EST Microsoft is rolling out new Windows 10 PC preview build 11099 for Insiders in the Fast Ring. Windows 10 Insider Preview build 11082, the earlier build for Insiders, was released last month. Like the previous build, the developers reminds users that this âdoes not include big noticeable changes or new featuresâ as would be laid out as part of the rollouts of Redstone to the public this year. According to the report, the new build is the companyâs new release from the Redstone Development Branch.Microsoft Corporate Vice President, Engineering Systems Team Gabe Aul explains that the focus of the development is structural improvements to OneCore, the shared core of Windows across devices. He adds, that the code refactoring as well as other engineering work that they had been doing to optimize OneCore is touching the point where it will be ready for teams to initiate testing new features as well as improvements. More builds will be needed before any really noticeable changes would be noticeable. It will also depend on when teams begin lighting up new features in their areas. A few known issues are identified in the Insider Hub, according to a report. What is particularly mentioned are the âpossible problems with devices using Citrix XenDesktop.â Identified issues also include, âapps that depend on Adobe Flash may crash upon launch, which may affect Skype, QQ, WeChat, etc., but doesn't affect Edge or Internet Explorer. Also in this build, some defaults for particular apps, including Music & Video, may be reset,â the source says.Have you shifted to Windows 10 yet? Microsoft says the free download of Microsoft OS will be free for current users of Windows 7, Windows 8.1, and Windows, and Phone 8.1, but only until the end of 2016. Businesses would have to pay for an upgrade, however. To download your free copy of Windows 10, visit Microsoft.