The most reliable "paper" or documentation for Archicad comes directly from the developer, Graphisoft.
Today, you can access hundreds of hours of high-quality Archicad training for free or for the price of a pizza. No torrent client, no VPN, no fear of viruses. Use the resources listed above, and you’ll be creating BIM models in no time — safely and legally. Archicad Tutorials Torrent Download
For more "real-world" architectural workflows, these creators provide extensive free and paid content: Eric Bobrow The most reliable "paper" or documentation for Archicad
Official Graphisoft courses often provide certificates that can be added to your CV or LinkedIn profile, which torrented content cannot provide. keep in mind:
When downloading ArchiCAD tutorials using torrent, keep in mind: