On Windows 7, you need to install the for Cool’n’Quiet to work. On Windows 10/11, the driver is built-in, but you may need to enable it in Power Options.

Here’s a solid, informative post you can use on a forum, blog, or support site.

: For modern operating systems like Windows 10 and 11, the processor drivers are automatically installed during setup. You can check for updates via Windows Update Chipset Drivers