The HyperTerminal program was licensed from another company by Microsoft for inclusion in Windows XP. That company later released a free version of HyperTerminal 6.3 to patch some security issue, which you can download here: 
http://www.oldversion.com/windows/hyper ... dition-6-3 and later a commercial version 7 at 
http://www.hilgraeve.com/. 
Note: Third party app recommendations are only for your convenience. Classic Shell has no relation to third party apps and bears no responsibility whatsoever.