The other day, I decided to take a trip down memory lane and revisit Heroes of Might and Magic III. I mounted the image, but the installation got stuck at 99% with an error message saying that Service Pack 4 was missing. Remembering that the game was designed for Windows XP, I solved the installation problem by mounting the image, navigating to its contents, right-clicking the installation file, and selecting the appropriate compatibility option (Windows XP SP3). And the game installed successfully.