Chrome eating all your RAM? Efficiency Mode throttles resource usage of specific processes.
Enable: Task Manager → Processes tab → Right-click app → Efficiency Mode
What It Does: Lowers process priority, reduces CPU usage, limits background activity. App still runs but uses fewer resources.
Perfect For: Apps you keep open but rarely use actively (Slack, email clients, backup software).
Result: Can reduce CPU usage by 50%+ and improve responsiveness of foreground apps!