How to run softwares that are not for Windows 7

Hi friends, There are many old version softwares that are not updated but still very usefull and the main problem is that they dont come for windows 7 . The main thing is windows 7 is 64 bit or 32 bit software so it cant run a 16 bit software . The same problem I faced when I wanted to run Turbo C on my system but it is very old software and not for windows 7 . the solution to this problem is Dosbox ( download link below) It runs the older games or software by creating their environment ( very helpfull indeed)
How to use dosbox

1. suppose your executable file is placed in c:/turbo .Open Dosbox
2. Type the following commands at the command prompt [Z]: mount d c:\Turbo\ [The folder TC is present inside the folder Turbo]
   Now you should get a message which says: Drive D is mounted as a local directory c:\Turbo\
3. Type d: to shift to d:
4. Next follow the commands below:
   
   cd tc(type cd in front for every file to open , like my exe file reside in tc folder then i would write cd tc )
   
   tc.exe(name of the executable file) [This starts you the Turbo C++ 3.0]

This would run the exe file!!