TMEX is included in the 1-Wire Drivers installation program available for download from:  http://www.maxim-ic.com/1-wiredrivers.  The source to the 1-Wire Drivers install program is also available from this web site.  Also, see White Paper 6 for detailed instructions on how to install the 1-Wire Drivers along with the TMEX dlls:
http://www.maxim-ic.com/an1740
