System Activity-monitor Softwares and Apps

Task Manager, previously known as Windows Task Manager, is a task manager, system monitor, and startup manager included with Microsoft Windows systems. It provides limited information about computer performance and running applications, processes and CPU usage, commit charge and memory information, network activity and statistics, logged-in users, and system services. ...more

Process Monitor is an advanced monitoring tool for Windows that shows real-time file system, Registry and process/thread activity. ...more