There is no legitimate, legal way to download the for free. The "Collector's Edition - Extra Content" (which includes the soundtrack, digital artbook, and a novel) is listed as a free add-on on Steam , but it requires owning the base game to be accessed.
: You will not receive official patches or the frequent free content updates provided by the developer, Egosoft . X4: Foundations Collector’s Edition Free Download
: Features like "Ventures" or online ship paints require a verified account connected to a legitimate purchase. There is no legitimate, legal way to download the for free
If you own the game and are looking for the "Collector's Edition" bonus content, you can find it using these steps: How to Access Collector's Edition Content (If Owned) There is no legitimate