If you do not want others to play with these settings, you can hide the Minimum and Maximum Processor State in Power Options in Windows 11/10 using Command Prompt and the Registry Editor.

Learn how to change the Processor Power State when on battery to make the battery last longer, using PowerCFG tool in Windows 11/10.

Windows also has several advanced power settings that you can customize to further optimize your device's battery life. These include options such as processor power management, system cooling ...

How to Tweak Processor Speed. The Power Options utility in Windows contains settings that you can use to tweak your computer's processor speed to reflect the changes in your working environment ...

In Windows 10 and under an administrative account you can specify which cores (of your presumably multi-core processor) gets used for explicit apps. Why would you want to do this setting?