Download Process Explorer 17, a free program for monitoring processes. It helps you see which programs are running, how much resources they're using, and what files are open in the background. Checking processes in Task Manager doesn't provide complete information.
What is Process Explorer?
Process Explorer is a comprehensive Windows operating system diagnostic tool developed by Microsoft's Sysinternals team and is part of a suite of tools. Sysinternals Suite The highlight of this program is that it provides a real-time overview of what's happening on the system at a much deeper level than the standard Windows Task Manager. Upon first opening, users will see a list of all running processes arranged in a tree structure, clearly showing which processes are children of others. For example, it allows you to immediately know where a particular program was opened or what services are running alongside it.
What makes this program stand out is its ability to display in-depth details of each process. Simply double-clicking on any process opens a properties window that brings everything together in one place. This includes the command line that calls the program, the full installation path, developer tags, a list of loaded DLL files, active network connections, and even the percentage of CPU, memory, and disk usage broken down into cores for each sub-process. In addition, there is a colorful graph at the top of the window showing the history of CPU and memory usage for the entire system, providing a quick overview of past performance trends.
Another very useful feature is the Find Handle (DLL) function, which solves the classic problem of being unable to delete a file because "another program is running it." Simply typing the file name will immediately point to which process is locking the file, allowing you to directly unlock or disable the handle. For users managing servers or multiple user machines, the program also checks the digital signature of each process via VirusTotal built-in, enabling faster detection of malware disguised as system files without needing a separate scanning program.
Process Explorer requires no installation; simply download a single file and run it immediately. Available in both 32-bit and 64-bit versions, it's ideal for system administrators, software developers, and general users who want to see what their computer is doing behind the scenes. It transforms difficult questions like "Why is my computer slow?" or "What is this process?" into clear information in just a few clicks.
Key Features
- Process Tree. This displays the process tree structure, showing the relationships between the main program and subprograms.
- Resource Monitor. Continuously monitor CPU, Private Bytes, Working Set, Handles, and key performance indicators.
- DLL & Handles. View the DLLs, handles, threads, and services currently being used by the process.
- Process Identity. Check the path, command line, user account, and security identifier of each process.
- Find Handles. Quickly search for processes by file name, window, or handle.
- Resource Graphs. Display a graph of resource usage history to help analyze malfunctions.
- Signature Verification. Verify the digital signature and developer information to help assess its credibility.
- Process Control. View and manage the priority, affinity, and even stop processes based on system privileges.
- Service Insights. It supports viewing details of services and processes running under those services.
- Portable Utility. is a portable program; it can be run without installing a large software package.
What's new
Version 17.21 – November 5, 2026
- The program opens faster. Improved startup speed, making it faster to open and use than before.
- Export search results as CSV. The search window adds an option to export results as a CSV file to open in a spreadsheet or keep for later analysis.
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file information
- Operating system: Windows
- Developer: Microsoft Sysinternals
- License: Freeware
- File size: 3.7 MB
- File type: *.zip
- Updated on : 6/11/2026
- Need to read: Download Guide


