The Meltdown and Spectre vulnerabilities exposed inherent flaws in hardware and software design, which we've been using for many years. Chip vendors and developers alike are scrambling to quickly release fixes to prevent any damage to customer data. Intel, AMD along with motherboard partners and Microsoft have released security patches over the past month to cover the necessary mitigation. This tutorial will help you in determining whether your PC has received the required mitigation to prevent any abuse of these vulnerabilities.
https://www.notebookcheck.net/How-to-check-if-your-PC-is-protected-from-Meltdown-and-Spectre.281990.0.html