Instructions for installing Thermonics instrument driver palette:

Make sure the LabVIEW application is closed.
Unzip the files and place them in a folder as follows:
C:\Program Files\National Instruments\LabVIEW 8.5\instr.lib\Thermonics T-2X Series

After placing the palette drivers in the above folder:

1.) Open LabVIEW and a blank vi.

2.) Show the block diagram of the blank vi, and show the functions palette. 

3.) On the functions palette select Instrument I/O, then select Instrument Drivers. 

You should see the Thermonics T-2X Series sub-palette with an icon of a T-2500E. Click this sub-palette to see the vi's of the driver set.

Reference readme file Thermonics T-2X Series Readme.html for model and program compatibility. 

Note:
LabVIEW's interactive help system provides addditional information specific to each driver. Certain drivers are not compatible with every model.