why I installed NI-DMM3.1 in labview2009, but could not found "instr.lib\niDMM" this folder ?

[JieQiang]

I want to use DMM's vi (with the following figure) . so, I installed NI-DMM3.1 in labview2009, and it sussceed. but I still could not found "instr.lib\niDMM" this folder ?