In Publisher: 
a. Select "Generic Color PS for Commercial Printing" as your printer output. 
b. On "File/Print/Advanced settings" select Composite CMYK. 
c. Tools/Commercial Printing Tools/Color printing select "Process colors 
CMYK". 

Print your pages to a output file with the ending .ps. 

Open Adobe Acrobat Distiller and select "Press Quality" settings, or better 
PDF/X-1a if you have the professional version (check with your printer). 
Open your .ps file, and it will produce your .pdf 
The resulting PDF file should be separated CMYK!!! 

Use control panel/add new printer. 
The install file file you are looking for is placed somewhere like this: 
C:\Programfiler\Microsoft Office\OFFICE11 
and the name is MSCOL11.INF