Searching for a "free download" of Army Men: RTS can be tricky because the game is no longer considered abandonware and is actively sold on modern digital storefronts. While some community-hosted versions exist, the most reliable way to get the game and ensure it runs on modern systems is through official digital releases. Official Ways to Get the Game
The game is available for a low price (often on sale for under $10) at several reputable retailers: Army Men: RTS Free Download
If you download the game and it crashes or shows a black screen, follow these standard fixes: Searching for a "free download" of Army Men: