Press Command (⌘) + Option (⌥) + Escape . This "mini" version of Activity Monitor allows you to quickly terminate non-responding apps without seeing detailed system metrics.
However, if you're looking for a direct hotkey to open the Activity Monitor, I'm afraid there isn't a built-in one. But you can create a custom shortcut using Automator or third-party apps like: activity monitor shortcut hot
Alex suspected that one of his resource-hungry applications was to blame. He needed a quick way to figure out what was going on. That's when he remembered a handy shortcut: Command + Option + Esc. Press Command (⌘) + Option (⌥) + Escape
no direct, single-key "hotkey" to open Activity Monitor by default on macOS. Instead, most users use a quick two-step combination or set up a custom shortcut. The Fastest Ways to Access Activity Monitor Spotlight Search (Recommended): Command (⌘) + Space , type "Activity Monitor," and hit Force Quit Menu (Emergency): If your Mac is lagging, press Command (⌘) + Option (⌥) + Escape (Esc) But you can create a custom shortcut using
Press Ctrl + Alt + Delete and select Task Manager from the menu; this is best if the system is frozen.