In the file panel, I do not see the files and the initial standard project is not compiled. I'm just going through the initial video lessons, but I do not see the files.
What may be missing in it? Next to the FirstProj.pro file, QT Creator created standard .cpp .h files, but they are not visible and the build is also not going to — it writes. It was not possible to determine which “make” command to run. Check the “make” step in the build configuration. Where can I see it? enter image description here thank

  • Check that there are no Cyrillic letters in the file paths, qmake does not like this. And show the build settings (tools -> options -> build and run, as in the Russian-language creator, I don’t remember), maybe something is incorrectly configured and / or incorrectly determined - Bearded Beaver
  • Try compiling from the console. Go to the project folder, open the compiler console (Developer Command Prompt for the studio or msys.bat for mingw), write qmake there, if there were no errors, write make. If the project is ready, set up the creator, if there were errors, find out their cause - yrHeTaTeJlb
  • More recently, I encountered the same problem. After successfully writing a program for working with instrumentation and its subsequent successful operation, the task arose of adding the existing code. And the actual MSVC compilers are no longer defined (could not catch the moment when it happened), if you have successfully dealt with this problem, please let us know. - Ivan Ivan

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I was helped by the g ++ installation:

sudo apt install g++ -y