Does GlassWire slow down my computer?
GlassWire has minimal performance impact thanks to optimized kernel driver and efficient monitoring. Most users report no noticeable slowdown. System resource usage typically under 50MB RAM and 1-2% CPU.
29
GlassWire 3.7.880 – Network Firewall & Monitoring
See your network traffic visually, instantly detect threats
GlassWire provides real-time network monitoring, advanced firewall protection, and threat detection for Windows PCs through an intuitive visual interface.
About GlassWire
GlassWire is a Windows-native network monitoring and personal firewall application providing real-time visualization of network activity. The platform's visual analytics reveal which applications access the internet, how much bandwidth they consume, and what devices connect to your network. GlassWire combines passive traffic monitoring with active firewall protection, enabling users to identify malware, block unauthorized connections, and troubleshoot network problems visually. The freemium model offers core monitoring features without charge, while premium subscriptions unlock advanced threat detection, Wi-Fi security features, and unlimited app blocking capabilities. Updated to version 3.7.880 in 2025, GlassWire maintains compatibility with current Windows versions and integrates with Windows Defender ecosystem.
System Requirements
- Operating System: Windows 8, Windows 10, Windows 11 (x86/x64 architecture)
- Processor: Intel Celeron 2GHz or equivalent
- RAM: 1 GB RAM
- Additional Requirements: Windows Firewall support required for blocking features, internet connection for threat intelligence updates
Features Of GlassWire
- Real-time network traffic visualization and graphing
- Device detection and network scanning for connected devices
- Application-level monitoring showing bandwidth usage per program
- Firewall with application blocking and ask-to-connect notifications
- Anomalogy detection for suspicious network patterns
- Live connections map showing active network connections geographically
- Wi-Fi security monitoring and evil twin detection (Premium)
- ARP spoofing detection and system file integrity monitoring (Premium)
- Network traffic export to CSV for compliance and analysis
- History tracking with customizable retention periods
- GeoIP-based country filtering and blocking
- Dark mode and customizable interface themes
- Remote device monitoring capability (Premium)
Pros & Cons
Pros
- Intuitive visual interface accessible to non-technical users
- Fast real-time network monitoring with minimal performance impact
- Free version provides substantial monitoring without premium cost
- Seamless Windows Firewall integration with native blocking
- Excellent anomaly detection identifying new/suspicious connections
- Active development with regular feature updates and security patches
- Small footprint requiring only 1GB RAM and modest CPU resources
Cons
- Windows-only platform with no macOS or Linux support
- Limited customization options for advanced users
- Network scanning less powerful than dedicated tools like Wireshark
- Premium features required for advanced threat detection capabilities
- No centralized management for multiple devices (personal use only)
- API documentation minimal limiting custom integration possibilities
Changelog
Version 3.7.880 (December 2024):
- New kernel mode driver with stability improvements
- Network scanner UI redesign with improved device type detection
- Enhanced device discovery accuracy for 50+ new device types
- Bug fixes for multi-monitor display issues
Version 3.6.750 (September 2024):
- CSV export functionality for traffic usage data
- Windows Firewall rule cleanup for removed applications
- UI improvements for elided text tooltips
- Various stability and performance enhancements
Frequently Asked Questions
What is the difference between Free and Premium?
Free includes traffic monitoring, network scanning, and basic alerts. Premium adds unlimited app blocking, advanced threat detection, Wi-Fi security (evil twin detection), ARP spoofing detection, and full historical data access.
Can GlassWire block malware?
GlassWire detects suspicious network behavior and can block malicious applications from accessing the internet. However, it complements rather than replaces antivirus software. Use with Windows Defender or third-party antivirus for comprehensive protection.
Does GlassWire work on Windows 11?
Yes, GlassWire 3.7.880 fully supports Windows 11 both 32-bit and 64-bit. The latest version includes Windows 11 compatibility improvements and feature enhancements.
Can I monitor multiple computers with GlassWire?
GlassWire is designed for single-device monitoring. For multiple computers, purchase separate licenses for each device. Enterprise network monitoring requires alternative solutions like Zabbix or Cisco Umbrella.
Is my network traffic data private?
GlassWire processes all traffic locally on your computer. Free version includes optional cloud analytics; Premium version operates fully offline with local database storage.
What payment methods does GlassWire accept?
GlassWire accepts credit cards (Visa, Mastercard, American Express), PayPal, and monthly/yearly subscription options. A 7-day trial provides full Premium access to evaluate features before purchase.
