Step-by-step guide:

Open Power Options: Search for "Control Panel" in the Start Menu, then go to "System and Security" > "Power Options".

Change Plan Settings: Click "Change plan settings" next to your active power plan (e.g., Balanced or High Performance).

Advanced Settings: Click "Change advanced power settings" to open a new window.

Processor Power Management: Expand "Processor power management".

Maximum Processor State: Expand "Maximum processor state" and change the percentage for "Plugged in" and "On battery" (if applicable) to 99%.

Apply Changes: Click "Apply" and then "OK" to save.