This guide will explain how to install the TurboC compiler onto the C: drive but you can choose any drive and location that you wish. Following are the steps to install the TurboC compiler: 1. Copy the truboC.exe file onto the C: drive of your computer. 2. Double-click the truboC.exe file. The Open File – Security Warning dialog box appears, as shown in the following figure. 3. Click the Run button in the Open File – Security Warning dialog box. The WinZip Self-Extractor – turboC.exe dialog box appears, as shown in the following figure. 4. Click the Unzip button. All the files get unzipped and stored in the C:\tctemp folder. If you want, you can change the name and location of the folder. 5. Double-click the C:\tctemp folder. This displays the contents of the folder. 6. Double-click the INSTALL.EXE file. The following window is displayed. 7. Press the ENTER key. The following widow is displayed. 8. Type C as the source drive in the Enter the SOURCE drive to use box. 9.