Windows security updates related to Meltdown and Spectre

 Microsoft has started the process of mitigations for Meltdown and Spectre.

 Problems have been reported, so ensure you have a backup, media creation tool instance, and create a restore point.

 If you have a ARM CPU, some instances of  security suites, some applications that use kernel level code   -  the update may not occur     or   will occur and cause significant problems.

 To determine if you have an ARM CPU
from the CMD window:

In this case, the Processor is Intel based.

 Now note the OS Version. Windows 10.0.16299 in this case.
 The Hotfix(s) for this iteration of remediation

using the CMD window determine if the appropriate Hotfix has been applied.