Microsoft Flight Simulator 2004: A Century of Flight (FS2004) is officially discontinued and not available for a direct "free download" from Microsoft. However, because it is over 20 years old, it is often treated as "abandonware" and can be acquired through physical used copies or legacy digital archives. Methods to Acquire FS2004
: The most reliable way to own the game is to purchase a used 4-disc set. You can find original sets (sometimes in a collectible tin) on marketplaces like eBay for around $20.00 or discounted sealed copies at Mercari for $11.70 . Microsoft Flight Simulator 2004 Free Download
: Sites like MyAbandonware list FS2004 as a legacy title available for download, though these are not official distribution channels. Modern System Compatibility (Windows 10/11) Microsoft Flight Simulator 2004: A Century of Flight