IF you are experienced to PT, Use SkillsforAll via https://skillsforall.com/resources/lab-downloads
If you are new to PT, I think you still have to enroll in Free course over at netacademy. https://www.netacad.com/virtual/app/introduction-packet-tracer
Enroll, download and start learning valuable tips and best practices for using Cisco’s innovative simulation tool, Packet Tracer. This self-paced course is designed for beginners with no prior networking knowledge. It teaches basic operations of the tool with multiple hands-on activities helping you to visualize a network using everyday examples, including Internet of Things (IoT). Introductory course is extremely helpful for anyone who plans to take one of the Networking Academy courses which utilizes the powerful simulation tool.
Note: you can stop learning/listening to those classes somewhere during 1st lessons and get downloadable link to PT. After that, your link will always appear.
I would recommend go via Free NetAcademy PT course to see all features then browse free courses at SkillsforAll -link above.
Regards, ML
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