Although an old question, none of the answers here helped me. The only route I found to get to my destination is by typing in the following line in my command prompt:

set Path=C:\MinGW\bin;%PATH%

After that, simply type in gcc -v.

Hope this helps anyone with the problem I had!

(Copying information from comments.)

The fact that your C:\MinGW\bin directory is nearly empty (that's where gcc.exe and g++.exe should be) indicates that you haven't finished installing MinGW.

See MinGW's Getting Started page for instructions.

Hey,,, It will work for you I believe

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1. First: open the link: https://www.msys2.org/
2. Go to the installation and download the installer .. install the exe file.
3. search mingw in windows search(windows start)
4. there is an app named--> MSYS2 MinGW {64/32}-bit
5. run it as administrator
6. Found command shell ---> type: pacman -Syu
7. Will ask you for some installation click on Y
8. Then again go to the same app MSYS2 MinGW {64/32}-bit and run as admin
9. and write--> pacman -Ss gcc (in shell that opend after click)
10. after clicking there will be bunch of things and now you have to care about your windows arch.. if it is 64 bit then write---> pacman -S mingw-w64-x86_64-gcc (and if its 32 you will find something like that where 64 will replaced by 32 in bunch of commands that are showing in your shell)
11. after executing this command gcc will be installed in your system to check write: gcc --version || g++ --version
12. After that to install the debugger write pacman -S mingw-w64-x86_64-gdb
13. to check write: gdb --version

**Every thing got installed in your system now find the mingW file or mysys2 file on C drive(whereever you r mingW file got saved) go the the minGW 64 || 32 accroding to your operating system there is a bin folder click on that and copy the path inside the bin folder and save it in environment variables path **

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Enjoy vs code