This is a very small project made by me to explore some parts of Windows's kernel.
Disclaimer: This code is provided for educational purposes only. I am not responsible for any damage, data loss, or system instability resulting from the use of this code. Do not run this on someone else’s machine — doing so is a cybercrime and may be punishable under law.
The Windows API doesn't directly provide such dangerous things as the ability to raise a BSOD.
However, if you really want to do so, Windows provides you with some undocumented functions from internal libraries that are not intended for use by applications (they are meant to be used by drivers and the kernel).
The script in crash.cpp, which utilizes two undocumented functions from ntdll.lib, if compiled and ran with administrator permissions, will almost guaranteedly raise a BSOD (and crash your system).
Note: If you are compiling with g++ and getting errors like "undefined reference to `NtRaiseHardError'", try to compile with Clang or MSVC (since they are usually aware of Windows's ABI).