There are no 3dfx hardware-specific patches for TR4. PC Savegame files made with the original game will not load after installing this patch. More info appears on the download page. The Macintosh Last Revelation patch fixes a bug that causes crashes immediately on startup, as well as various graphics issues. Details are given on the pages linked below.
More information appears on the download page.
The Last Revelation. Run Bink and browse your TRLR CD-ROM to the folder called 'FMV' to find and play these files. GetRight - Download manager software. So if you're playing on a PC with a Windows operating system, accidentally pressing the Windows button will cause the game to crash to the desktop. Instructions for installing and using Doswinky are included.