My Friend asked me that they cant compile Turbo c in their PC. Here is the method where you can run it.
I used to give the DosDox and the files associated with them to run Turbo-C.

First Download The Application given below.

Turbo C – DosBoX

 

• Extract the Files.
• Open the Read Me file.
• Follow the instructions and thats it.
• After installing DosBox please follow the folling rules and steps –

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1. Install dosbox .
2. Copy folder A to c drive.
3. Open file dosbox-0.74.conf.txt. then copy all text.
4. Go to folder C:\Program Files (x86)\DOSBox-0.74
5. Double click on DOSBox 0.74 Options.bat. its open notepad there delete all text then past. then save it.
6. Start dosbox

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I have installed it in my lappy n its works good.