Copy and replace patch.dat and patch.fat from your chosen version into FC3 Installation Folder\data_win32
Overwrite when prompted (MAKE BACKUPS!)

This is the latest version, read the changelog for more details.

Included 4Aces HD Textures.

ALL IN ONE

Includes Casual, Regular, Hardcore, and Insanity version.

Rename "patch_unpacked" .dat & .fat files to "patch.dat" and "patch.fat" (sorry i forgot lol)

Then copy & replace into FC3 installation folder \ data_win32 (make backups)

Enjoy!