Assuming you have legally obtained the ISO or ZIP archive of CCNA Exploration 6.0, here is how to set it up on Windows 10/11 (compatibility mode required).
To understand the value of an offline download today, we must first appreciate what the curriculum was. "CCNA Exploration" was a specific track within the Cisco Networking Academy program. Ccna Exploration 6.0 Offline Download
The is a digital library. Several preservationists have uploaded older Cisco educational materials, including parts of CCNA Exploration 6.0, under "fair use" for educational preservation. Search for "CCNA Exploration 4.0" or "6.0 courseware" – note that these are often incomplete or missing Packet Tracer activities. Assuming you have legally obtained the ISO or
Exploration 6.0 taught a generation how to route. Let it teach you, too – one offline lab at a time. The is a digital library
If you have legal access to the files, here is the optimal setup for a completely offline study station.