Windows 8.1 Update is a cumulative set of security updates, critical updates and updates.

This update includes the following new features and improvements:
•Enables a more familiar mouse and keyboard functionality for modern apps and controls.
•Improves the web application compatibility of the Internet Explorer 8 emulation mode in Internet Explorer 11 F12 Developer Tools.
•Increases performance and reliability when you use multi-display configurations for portrait-first device experiences.

What's new

32-bit | 64-bit