Protect your Windows devices against Spectre and Meltdown

reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management” /v FeatureSettingsOverride /t REG_DWORD /d 0 /f

reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management” /v FeatureSettingsOverrideMask /t REG_DWORD /d 3 /f

Related advisory document @Microsoft:

https://support.microsoft.com/en-us/help/4073757/protect-your-windows-devices-against-spectre-meltdown

for some AMD Based Devices:

https://support.microsoft.com/en-us/help/4073707/windows-os-security-update-block-for-some-amd-based-devices