A 913 page manual is automatically installed on your HD. (48MB pdf file)
It is in the folder where you installed Poser. (the main app executable)

There is a chapter on the fitting room, and the procedure is in the beginning of the chapter. (second page if my memory is OK.)

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!