If you own the original CD or a digital license, downloading a compressed backup is generally accepted. If you do not own the game, consider purchasing it from GOG.com (when available) to support the developers. This article is for educational purposes and for users who already own a legal copy.
the original game's installation size is already relatively small at approximately 3.5 GB to 4 GB Game Features Destructible Environments: Flatout 2 Pc Game Highly Compressed Download