Here is why you should skip the trackers and where you can grab the definitive version of the game. Why Avoid a Thief Gold Torrent?
The original 1998 files hate modern Windows. Without specific community patches, the game will likely crash, have broken textures, or run at 1,000 FPS.
For just a few dollars (often less than $2 during a sale), you can get a legitimate copy that is pre-configured to run on modern systems:
Another solid option, though you may need to apply a community patch to get it running perfectly. Essential Step: Install TFix
Don't risk your PC's health on a shady download. Supporting the game on GOG or Steam keeps this legendary franchise visible to publishers and ensures you’re getting the most stable, complete version of the City.
Many old rips strip out the iconic cutscenes and briefings to save on file size, ruining the atmosphere. The Best Way to Play: Digital Storefronts
Generally the best choice. Their version comes DRM-free and often includes basic fixes for modern hardware right out of the box.
Torrents for older "abandonware" are often unmonitored, making them easy targets for malware or bundled adware.