Windows Install Guide – GNS3 (Free Preview)

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In this guide we are going to setup GNS3 on a computer running Windows 7. GNS3 is a free network simulator that can simulate network hardware from vendors such as Cisco, Juniper and Arista etc. It is also an excellent tool for those who are studying for network certifications such as CCNA, CCNP and CCIE.

You will need the following:

  1. GNS3 software downloaded from
  2. Cisco IOS such as the c3725-adventerprisek9-mz124-15.bin or c7200-advipservicesk9-mz.152-4.S5.bin.


Step 1 Download

The simplest way to install GNS3 on Windows is to use the “all-in-one” installer that can be downloaded from download section.

Click here to download the GNS3 software.

Figure GNS3 install guides and download options

Step 2 Installation

Locate the file you downloaded and double-click on it to begin the installation. Afterwards it is just a matter of clicking on next button if you don’t want to customize your installation.


Please see the video demonstration!




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