GNS3 is a popular network simulator that allows you to design and configure virtual networks on your PC. You can use GNS3 to emulate various network devices, such as routers, switches, firewalls, and servers. GNS3 supports multiple platforms, including Windows, Linux, and Mac OS X.
In this article, we will show you how to download and install GNS3 0.8.6 on Windows. This is an older version of GNS3 that was released in 2013, but it still works for some scenarios. If you want to use the latest version of GNS3, you can follow the instructions on the official website.
Step 1: Download GNS3 0.8.6 all-in-one installer
The first step is to download the GNS3 0.8.6 all-in-one installer from SourceForge. This is a single executable file that contains everything you need to run GNS3 on Windows, including the graphical user interface (GUI), the server, and the Dynamips emulator.
To download the file, go to this link and click on the GNS3-0.8.6-all-in-one.exe file. The file size is about 62 MB and it may take some time to download depending on your internet speed.
Step 2: Run the installer and follow the wizard
Once you have downloaded the file, double-click on it to run the installer. You may see a security warning from Windows asking you if you want to run this file. Click on Run or Yes to continue.
The installer will launch a wizard that will guide you through the installation process. You can accept the default settings or customize them according to your preferences. Here are some screenshots of the wizard:
The welcome screen of the installer.
The license agreement screen of the installer.
The components selection screen of the installer.
The installation folder screen of the installer.
The start menu folder screen of the installer.
The additional tasks screen of the installer.
The ready to install screen of the installer.
The installing screen of the installer.
The installation complete screen of the installer.
Step 3: Launch GNS3 and enjoy
After the installation is finished, you can launch GNS3 from the start menu or from your desktop shortcut. You should see a window like this: