Microsoft today released Windows 10 PC Build 15063.1324 (10.0.15063.1324) to everyone on Creators update (Windows 10 Version 1703). Cumulative update KB4457138 brings this build and is available to install. This update includes quality improvements. No new operating system features are being introduced in this update.

Read the full changelog below. You can check the update availability by going to Settings–>Update & Security–>Windows update–>Check for updates.

Windows 10 Build 15063.1324 (KB4457138) Changelog:

Improvements and fixes


This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

  • Security updates to Internet Explorer, Microsoft Edge, Microsoft scripting engine, Microsoft Graphics Component, Windows media, Windows Shell, Device Guard, Windows datacenter networking, Windows kernel, Windows hyper-V, Windows virtualization and kernel, Microsoft JET Database Engine, Windows MSXM, and Windows Server.

If you installed earlier updates, only the new fixes in this package will be downloaded and installed on your device.