It is highly recommended to use the latest version (currently ). Version 8.x includes:
Cisco Packet Tracer 7.3.1 was released in 2019–2020. It is not the newest version, but it is highly sought after for three reasons: cisco packet tracer 7.3.1 download
For the first time in a consumer version, 7.3.1 allowed an external Python script (using the requests library) to interact with a simulated router via REST. This is a massive step toward learning . It is highly recommended to use the latest