This update makes stability improvements for the Windows 10 Version 1511 servicing stack.
If you're installing a servicing stack update package for the first time, the package for the x86 version is 5.39 MB and the package for the x64 version is 11.9 MB.
If you're installing a servicing stack update package for the first time, the package for the x86 version is 5.39 MB and the package for the x64 version is 11.9 MB.