You can install download Turbo C++ for free at
 
http://www.brothersoft.com/turbo-c-182798.html 
(or)     
http://www.top4download.com/turbo-c-/download-aklqwuba.html 
(or)     
http://turbo-c.soft32.com/ 
Providing detailed procedure how to install 
Turbo C++ on Windows 7. The very same procedure can be used on Win Vista. If you are running
 64 bit version of Win 7. Users having
 Win 7 Pro and 
Win 7 Ultimate should use the
 virtual Windows XP Mode to install Turbo C++.  
Installing Turbo C++ on Windows 7/Vista/XP  
  
1. First,extract the file and run the INSTALL file
  
2. Press Enter to continue  
  
Press Enter to continue  
3. Enter the Source drive:  e.g.C   and press Enter to continue  
  
Enter the Source drive  
4. Enter the Source path:   \TURBOC    and press Enter to continue  
  
Enter the Source path  
5. In directories specify where Turbo C files are copied. E.g.  C:\TC . When done go to start instalation and press Enter  
  
Specify where Turbo C++ files are copied  
6. Succesfull instalation  
  
Succesfull instalation  
7. First launch from your destination      e.g.   C:\TC\BIN\TC.EXE  
  
Run and Enjoy  
  
  
  
After you install it if you want to change the location of the application Then :
1. After changing the location go to 
Options > Directories

2.Enter the location of the files :: 
INCLUDE , LIB.

Click 
OK.
4. Run and check