
Normally, you'll find WindowServer taking high CPU on Mac. Here you'll clearly see all the apps and processes that tax your Mac CPU usage.

Double-click on the Activity Monitor to launch it.


It gives commands to all parts of the operating system, following the instructions given by programs running on a computer. To boost your Mac performance, you need to know how to check CPU usage on Mac and how to lower CPU usage through quitting and optimizing various unnecessary processes.ĬPU (Central Processing Unit), also called the brain of the computer, is the core of any computing device. The truth is, no matter how powerful your Mac is, it only has so much CPU to everything you want to do, and sometimes it can hit its limits. If you notice that your Mac or MacBook is running slow, most likely some programs are not working correctly or aggressively taking a high CPU.
