View the source code and release notes directly from the developers. Step-by-Step Installation Guide 1. Download the Correct Asset
Navigate to the and expand the "Assets" tab for your desired version.
Best for performance and nested virtualization support. VirtualBox: A popular free alternative. ESXi: For running GNS3 on a dedicated remote server. 2. Import into Your Hypervisor download gns3 vm github
After the VM is running, open your GNS3 GUI and connect them: Downloading the GNS3 VM
Once the .zip file is downloaded, extract it to find the .ova (Open Virtual Appliance) file. View the source code and release notes directly
For optimal performance, GNS3 recommends the following minimums, though more is better for complex topologies: Minimum 4GB (8GB+ recommended for the VM).
While the main GNS3 website is a common entry point, GitHub serves as the primary distribution hub for the GNS3 community. Downloading from GitHub allows you to: Best for performance and nested virtualization support
Go to File > Open , select the .ova file, and follow the import prompts.