KB3140741 is rolling out for PCs running version 1511 of the operating system, and according to Microsoft’s Support website, it’s an update that makes stability improvements for Windows 10 version 1511 servicing stack. This is also a minor update that replaces update KB3139907, which rolled out to PCs on March 1st, 2016, alongside KB3140743. The new servicing stack update doesn’t increase the build of the operating system. After installing Windows 10 will remain on build 10586.164. KB3140741 is available immediately through Windows Update for computers that aren’t part of the Insider program, and it’ll download and install automatically. However, you can always go to Settings > Update & security> Windows Update and manually force the download. Source Microsoft 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.