Because of this, the game is considered "abandonware" (abandoned by its publisher for commercial sale). Downloading it falls into a legal gray area, though many in the community treat it as acceptable since no legal purchase option exists.
I understand you're looking for The Lord of the Rings: The Battle for Middle-earth II (BFME2). It's important to know upfront that by EA (the original publisher) due to expired licensing rights with Middle-earth Enterprises. That means you cannot buy it on Steam, Origin, EA App, GOG, or other mainstream stores. how to download lord of the rings battle for middle earth 2