Guides
How macOS actually handles memory
No tips lists, no placebos. Each of these explains a real mechanism, with numbers measured on a real machine and the commands so you can check your own.
"Your system has run out of application memory"
What the macOS out-of-memory dialog actually means, why it fires on Macs with plenty of RAM, and how to find the process responsible instead of force-quitting at random.
Do Mac memory cleaners actually work?
What macOS already does with your RAM, what "free up memory" tools really change, and why 4% free RAM on a 64 GB Mac is a sign of health rather than trouble.
How to monitor RAM usage on a Mac
Activity Monitor, vm_stat and the menu bar — three ways to watch memory on macOS, and what every figure in the Memory tab means.
How to uninstall CleanMyMac completely
Dragging it to the Trash leaves the background helper running. How to find every leftover on your own machine, so the method still works whatever version you have.