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Microsoft is pushing out updates to all versions of Windows 10 – Anniversary Update, November Update and Threshold Update. If your PC is still running on older version of the operating system, you can download Windows 10 KB4056890, KB4056888 and KB4056893 to fix the critical Meltdown and Spectre security vulnerabilities in chipsets manufactured by Intel, AMD and ARM.

The security update for Windows 10 is set to automatically roll out to all Windows 10 devices. If you are having issues while installing any of the updates, you can download the offline installers from Microsoft’s Update Catalog.

KB4056890 Download Links for Windows 10

Windows 10 KB4056890 Direct Download Links: 64-bit (x64), 32-bit (x86).

KB4056890 Windows 10 14393.2007 Full Changelog

This update brings security fixes to Microsoft Edge, Internet Explorer, Windows Kernel, Windows Datacenter Networking, Windows Graphics, and Windows SMB Server.

KB4056888 Download Links for Windows 10

Windows 10 KB4056888 Direct Download Links: 64-bit (x64), 32-bit (x86).

KB4056888 Windows 10 10586.1356 Full Changelog

With this cumulative release, Microsoft is updating its Scripting Engine, Windows Graphics, Microsoft Edge, Internet Explorer, Windows Kernel, Windows Datacenter Networking, Windows Virtualization and Kernel, and the Windows SMB Server.

KB4056893 Download Links for Windows 10

Windows 10 KB4056893 Direct Download Links: 64-bit (x64), 32-bit (x86).

KB4056893 Windows 10 10240.17738 Full Changelog

Microsoft is fixing an issue where the smart cards on a Windows Terminal Server system result in excessive memory usage on the system. The company is releasing security fixes to Windows Datacenter Networking, Windows SMB Server,  Internet Explorer, Microsoft Scripting Engine, Windows Graphics, Windows Kernel, and Microsoft Edge.

Microsoft also issued a statement confirming that the company is not aware of any attacks or exploits. “We are in the process of deploying mitigations to cloud services and have also released security updates to protect Windows customers against vulnerabilities affecting supported hardware chips from Intel, ARM, and AMD. We have not received any information to indicate that these vulnerabilities had been used to attack our customers,” Microsoft said in a statement.