Why is my MacBook so slow?!
If you have asked (or screamed) this question to no one in particular in the past, there is a free Mac app that can help answer it. System Lens installs in your Mac's menu bar and gives you a rundown of the apps you have running, rating each on the amount of system resources it is using.
When you click on System Lens' icon in your menu bar, you'll see the apps you have currently running with a Low, Medium, High rating. The icon itself tells you how stressed your system is … Read more