Direct answer
There is no official Showa American Story torrent. The game is not yet available on Steam, so any site offering a full PC download now is not an authorized launch source identified by NEKCOM or Steam.
What official sources confirm
Steam says the game is not yet available and provides a wishlist action.
How to read the available evidence
The safe actions today are to use the official game website, add the Steam app to a wishlist, follow NEKCOM's channels, and wait for a first-party purchase or download button. Unofficial executables can contain malware, steal browser or wallet data, imitate a demo, or use old trailer footage to look legitimate. This site does not link to pirated files, cracks, key generators, or repacks.
The game has not launched. Trailers and developer interviews establish direction, but they do not guarantee final numbers, controls, optimal strategies, or content structure. This guide gives current NEKCOM and Steam pages priority; older announcements remain historical evidence and yield when newer first-party listings conflict.
How the sources were weighed
This page ranks evidence by how directly it supports the search question. Developer and official game pages establish the setting, platforms, and announcements. Steam establishes current PC store status and listed requirements. Community directories can show that a destination exists, but they do not replace a first-party statement.
Steam — Showa American Story: Current store record used for availability, platforms, and specifications; it is not proof of unannounced features.
NEKCOM — Showa American Story: First-party material used for the claim it directly names; pre-release details can still change.
Still pending
Final purchase links, price, regional stores, preload, official demo, physical edition, and release-day download size.
Pending details are not filled with guesses. They will be updated only when a traceable official source appears.