Microsoft released this week KB3201845 – a new cumulative update for Windows 10 PC and Mobile version 1607. This is only for Release Preview ring of the Windows Insider Program. Changelog is not yet available as of this posting. We will update you once available. This build (or newer) will soon hit the public on December’s Patch Tuesday which is on the 13th.
The build bumped to 14393.479. Head to Settings > Update and Security > Windows Update (PC) or Settings > Update and Security > Phone Update (Mobile) to grab the update
For PC users, if you are having difficulty downloading the update through Windows Update or stuck in a certain percentage. In case you want to manually download the update, the direct links are provided below. Downloading the file manually is also useful for those who have multiple Windows 10 PC devices and have limited bandwidth.
The size of 32-bit and 64-bit versions are 502MB (up by almost 100MB from previous build) and 936MB (up by almost 200MB from previous build) respectively. Note that these updates are cumulative. Therefore, the packages contain all previously released fixes.
These files are .cab files. Please refer to this article on how to install them.