Let’s be practical. Even if you ignore the legality, downloading a "free updated" version from a random forum is a terrible idea. Here’s what you risk:
While the original game is old, running it at "updated" 1080p or 4K resolutions requires a decent modern PC. Let’s be practical
Since the game is no longer in production, you need a "ROM" or "ISO" file of the game. Let’s be practical
To get the "updated" experience on PC, you will need two main components: an emulator and the game file (ISO). Let’s be practical