A user reports a computer is running slow. Which of the following tools will help a technician identity the issued

Disk Cleanup helps free up disk space but does not directly identify the specific processes or resources causing a slow computer.

Group Policy Editor is used to configure system and user settings on Windows and is not a diagnostic tool for identifying performance bottlenecks.

Disk Management is used to manage hard disk partitions and volumes, not to monitor real-time resource usage that contributes to a slow system.

Resource Monitor provides detailed, real-time information about system resources, including CPU, memory, disk, and network usage by individual processes. This allows a technician to pinpoint which components or applications are consuming excessive resources and causing the slowdown.