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I would like to determine whether there is already a compiler installed.
Do you know a command on Windows which I could use in the console to do that?
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In the Command Prompt window type “gcc” and hit enter. If the output says something like “gcc: fatal error: no input files”, that is good, and you pass the test.
Open command prompt (Type “cmd” in search box). 8. Type “gcc –version” in command prompt to check whether C compiler is installed in your machine. Type “g++ –version” in command prompt to check whether C++ compiler is installed in your machine.
So if you ever need to check the version of the GCC C++ compiler that you have installed on your PC, you can do it through the command prompt by typing in the single line, g++ --version, and this will return the result.
To check if Visual C++ redistributables are installed, open Add and Remove Programs and look for the Microsoft Visual C++ Redistributable. If installed, you see "Microsoft Visual C++ 2015-2019 Redistributable (x64) - 14.22.
There is no catch-all way to discover whether there is "a" C or C++ compiler installed, because different compilers are invoked in different ways. You could iterate through the common ones (e.g. running g++ from shell) but, really, you should know what software is running on your computer because you installed it. If you did not set up the computer, ask the person who did.
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