Procomm Plus does work on Windows 7 32 bit and I'm told it also works for the 64 bit version. There are however a few tricks that you need to be aware of.
If your computer has another drive, e.g "D" etc, then install the program to that drive such as D:\Program Files\Symantec\Procomm Plus etc as the standard C:\Program Files has added Security restrictions that were introduced and I've found that this restricts Procomm from creating any log files and the ability to change the pw5,dir directory file.
There are ways round this by right clicking on the Symantec or Procomm folder and selecting properties and adding in full modify rights to the account users. I also add in "everyone" with full rights etc.
The actual program works in just the same way as when it was on XP etc.
As stated above, most computers don't have a comm port connector and you have to use a USB to Comm port cable. The main problem here is that it gets assigned a Comm port greater that "4" and Procomm only has ports 1 to 4 in the program.
My advice is to go into modem properties within Windows 7 and change the comm port to one that is allowed, usually "1". You should get get a connection OK.
All the best
Firebird Scrambler
Meridian 1 / Succession and BCM / Norstar Programmer in the UK
If it's working, then leave it alone!.