Screenshots
About GNS3
Emulate and design complex networks for study and testing.
GNS3 is a popular pick in the developer space, trusted by people who want results without the clutter. It ships with network simulation and real device images, and everything is a click away from the moment you open it.
Get GNS3 for Windows now: the current version, a clean installer and a fast, direct download.
Key features
- ✓Network simulation
- ✓Real device images
- ✓Wireshark integration
- ✓Labs and topologies
Requirements
Windows 10 / 11, 64-bit
GNS3 — frequently asked questions
Is GNS3 free to download?+
Yes. GNS3 is free and open source, so you can use it at no cost.
Is GNS3 safe to download?+
Yes. HivApps links to the latest GNS3 build and keeps listings clean, with no bundled extras. As always, keep your antivirus on and only install software you trust.
What is the latest version of GNS3?+
The latest version listed here is GNS3 2.2, updated Aug 16, 2026.
What do I need to run GNS3?+
Windows 10 / 11, 64-bit
How do I install GNS3 on Windows?+
Click the Download button on this page, run the installer once it finishes downloading, and follow the on-screen setup steps.
Tags
Reviews
Write a review
Download GNS3 for free
Latest version (2.2) · Safe & clean