Now you have a hardware-level hotkey that works even in full-screen games or locked-up applications.
While macOS does not provide a single built-in "hot" key to launch Activity Monitor directly, the most common "hot" method is using to open Spotlight . From there, you can type "act" and hit Enter to open the utility in seconds. activity monitor shortcut hot
This two-key method (Cmd+Tab, then Cmd+`) is system-native and works even if your keyboard shortcuts are broken. Now you have a hardware-level hotkey that works