Windows 10 build 9879.0

Windows 10 build 9879 is the third Windows 10 Technical Preview build (after 9841 and 9860). The main change in this build were some improvements to OneDrive. It is the last build to be released to Windows Insiders in 2014 officially by Microsoft, distributed on 2014-11-12 for Fast ring users and on 2014-11-25 for Slow ring users.