Windows promptly released security updates for all the Windows 10 builds in ordered to fix the Meltdown and Spectre vulnerabilities discovered by the Google Project Zero team earlier this week. Although there have not been reports of exploited systems, Window 10 users had better install the patch.
https://www.notebookcheck.net/Microsoft-releases-emergency-patches-to-address-Meltdown-and-Spectre-vulnerabilities-affecting-most-current-processors.276794.0.html
Won't install anything, this is pure nonsense. Don't have anything to hide from hackers and also I don't think they are interested in my data