The following files should be placed in the directory where Turbo C is installed (e.g. C:\TC):
TC.EXE
TCHELP.TCH
The following files should be placed in a "LIB" subdirectory
(e.g. C:\TC\LIB):
C0S.OBJ
CS.LIB
MATHS.LIB
EMU.LIB
FP87.LIB
GRAPHICS.LIB
The following files should be placed in an "INCLUDE" subdirectory
(e.g. C:\TC\INCLUDE):
all of the *.H files supplied
When you run TC for the first time you will have to use the Options->Directories menu item to change the Turbo C, Library and Include directories to the appropriate values (e.g. those shown above) and save the new options.