Learn how to download and integrate the GNS3 VM with the GNS3 GUI. Be careful! VMware Workstation 14.0 has issues. Make sure you use VMware 12 instead of VMware Workstation 14.0!
Download VMware 12 here: https://goo.gl/9L2A7q
Discussions about VMware issues: https://www.gns3.com/qa/unable-to-import-gns3-vm-2-0-3-i
This is one of multiple videos showing you how to install and configure GNS3 2.1 on Windows. This video discusses various misunderstandings people have about GNS3 and best practices for using GNS3 today.
Learn how to integrate Cisco VIRL images with GNS3 (ASAv, IOSv, IOSvL2).