About this software
What is GNS3?
GNS3 : A flexible and highly adaptable network topology simulator application that you can rely on to set up networks without needing any expensive hardware
Read the full GNS3 review and feature list →
Requirements
System requirements
Windows 10 64 bit / Windows 8 64 bit / Windows 7 64 bit
Tips
Download tips
If a mirror is slow or temporarily offline, just pick another from the list above — every mirror serves the identical
54.8 MBfile. Each link launches a brief
5-second redirect page so we can track which mirrors are healthiest.
✓
Verified clean. Every GNS3 build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
GNS3 specifications
- Publisher
- GNS3
- Last updated
- Apr 28, 2026
- License
- Demo
- Operating system
- Windows 10/11
- File size
- 54.8 MB
- Filename
- GNS3-2.1.14-all-in-one.exe
- Mirror count
- 1
- Price
- Free
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