How to solve the window size problem of turbo c++ in windows vista or windows7 Turbo C++ will not work in 64bit vista or 7. If your operating system is 32bit the following solution will help you 100% sure Follow the steps carefully and get better results out of your PC 1) Open your TC then a error message will come saying that system does not support full screen Just click the ignore and get continued to the turbo c++ 2) Now Turbo C++ gets opened but the window size may be too low 3) Right click using mouse on top and select properties 4) Select the font tab 5) For better results change the font from "Raster fonts " select "consolas" or "lucida console" Now change the font size and press OK 5)Window size has been enlarged . Adjust the font size so that you get correct window size for your monitor