A free, powerful, multi-purpose Windows tool for monitoring system resources, debugging software, and detecting malware, with portable operation support.
- v4.0.26241.138
- Published at
- Aug 29, 2026
- 16,156
- Stars
- 7,992,259
- Download
- Synced at
- Oct 4, 2026
Latest release
v4.0.26241.138Aug 29, 2026, 01:54 AMDownloads slow? Switch the source anytime above
README
Project Overview
System Informer is a free, powerful, multi-purpose tool that helps you monitor system resources, debug software, and detect malware. Brought to you by Winsider Seminars & Solutions, Inc., it supports Windows 10 or higher, 32-bit or 64-bit.
Key Features
- Detailed system activity overview with highlighting
- Graphs and statistics for tracking resource hogs and runaway processes
- Discover which processes are using a specific file
- View active network connections and close them if needed
- Real-time disk access information
- Detailed stack traces with kernel-mode, WOW64, and .NET support
- Service management (create, edit, and control services)
- Small, portable, and no installation required
Target Audience
- System administrators and IT professionals
- Software developers and debuggers
- Security researchers and malware analysts
Quick Start
- Download the latest version from GitHub Releases
- Run SystemInformer.exe directly (portable, no installation required)
- To save settings to a USB drive, create a blank file named
SystemInformer.exe.settings.xml
Core Advantages
- Free and open-source (MIT licensed)
- Portable with no installation required
- Comprehensive system debugging and monitoring tool
- Built by Windows Internals experts
System Requirements
- OS: Windows 10 or higher, 32-bit or 64-bit
Release history
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