Step1: Use the SpectreMeltdownCheck.exe to check the processor whether is vulnerable or not.
Step 2 : Search for the windows update and install the package completely.The package provided by Microsoft will fix the Meltdown issue.
Step 3: We need to flash the BIOS that provided by your system manufacturer ,which will update the microcode to fix the Spectre isssue.
Step 4: After the BIOS flash completed, do a AC cycle and then re-check by the tool SpectreMeltdownCheck.exe ,we can see it will prompt some info that ‘You processor is safe’. ALL is done.