1. x86_64-posix-seh https://sourceforge.net/projects/mingw-w64/files/mingw-w64/
2. sysdm.cpl, path, c:\mingw64\bin
3. vscode https://code.visualstudio.com/
4. c/c++ extension pack
5. ctrl + shift + p, select a configuration, UI, g++.exe, windows-gcc-x64, header, c17, c++17
6. bits/stdc++.h https://miniolife.tistory.com/11
7. keybindings, bit.ly/1158-5
8. terminal, configure task, tasks.json, others, bit.ly/1158-5
9. ctrl + shift + p, terminal: select default profile, command prompt, save and compile for C++
10. tasks.json, add "-g" in "args"