To run the facial script :
1- Un-rar the "faceengine.rar" into your 3ds max programm folder.
for example ,
c:\program files\3ds max\faceengine
2-in 3ds max environment , run the "vertex recorder" script, if you have problems like " runtime error ..." , you need to run "3ds max.exe" as administrator , and re-run this script
3-With first button , select your 3d head model
4-With second button , select the vertices one by one according
to the visual quide on script window ( red dot on the quide model ) ,