https://inst.fogbugz.com/default.asp?W362 this tells all the things you need to know for constructing a word doc. It tells how to add a new document, which is what is needed for a new FAQ.
use kiln command window
run setPath.bat
path=%path%;C:\Program Files (x86)\Instantiations\tortisehg
cd vastdocs
hg incoming
hg pull
pause
hg update
pause
hg status
run hg incoming, pull, merge, update if necessary (follow prompts)
remember to update relevant .xml files (tocsg.xml) too even if to just add comments