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This update includes improvements and fixes that improve the functionality of Windows 10 Version 1511 Release Preview (Build 10586.338).

The package for the x86 version is 399 MB, and the package for the x64 version is 705 MB.

How to get this update

Windows Update

This update will be downloaded and installed automatically.


To install this update, you have to have be part of the Windows Insider Program with Windows 10 Version 1511 Release Preview (Build 10586.338) installed.

Restart information

You will need to restart the computer after you apply this update.

Update replacement information

This update replaces the previously released update 3156421.

File information

For a list of the files that are provided in this cumulative update, download the file information for cumulative update 3163014.


Learn about the terminology that Microsoft uses to describe software updates.

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