Microsoft also notes that the gap between 9879 and 9926 is the longest users will see, because of the holidays and because the Windows team needed to stabilize the code and add more features. From now and forward, the software maker says that it will release new build faster. Build 9926 is the so called Windows 10 January Technical Preview and it’s the build that includes Cortana, Continuum, improved Action Center, and a bunch of other features. Upgrading to the new build is really straightforward, you can download the ISO files from the links below to perform a clean install of the operating system, or simply follow the steps below to update Windows 10 build 9879:


  1. Go to PC settings and navigate to Update and recovery
  2. Click Preview Builds
  3. Click on the Check now
  4. Then click Download now to install build 9926 If the build is available for your computer, it will download and install automatically. The process will take some time depending on your internet speed and your computer hardware.

Download Windows 10 build 9926 x86 Download Windows 10 build 9926 x64

If you’re performing a clean install use this product key: NKJFK-GPHP7-G8C3J-P6JXR-HQRJR Build 9926 is available in 22 languages, if English isn’t your language, you can find all the versions here. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.