Do you have a specific you're looking to undervolt or overclock with this tool?
Always have a BIOS reset jumper handy. You have been warned.
is a niche command-line utility for Windows designed to reprogram the performance states (P-States) of AMD CPUs and APUs. Primarily used by overclocking enthusiasts, it provides direct control over the "Model Specific Registers" (MSR) that govern AMD's Cool&Quiet power-saving technology. Core Functionality
If you'd like to dive into the technical side, I can help you with:
Use V1.1 if you need brute-force MSR access for legacy Zen/Zen+ chips or specific industrial applications. For daily gaming, use Ryzen Master.
While it was essential for the and Piledriver eras, AmdMsrTweaker is rarely used for modern hardware.