A python programm to replicate linux' xkill command.
Sadly I can't make it into a .exe, so you'll have to have python for it.
You can just run the script from the command line, or if you want to add it as a command to the terminal create a .bat file with the following content:
@python3 path/to/file/xkill.py
save as xkill.bat and put it into your C:\Windows\System32\
folder so it will be recognized as a command.