This is an updated tutorial, since a few things have changed over time. Here, I'll explain what you have to do in order to get custom kill messages in War Thunder (like how to change the aircraft destroyed message), as well as how to fix the ugly and annoying underscores that appear in the game over time.
▶ download Notepad++: https://notepad-plus-plus.org/downloads/
▶ testLocalization:b=yes
Chapters:
0:00 - Intro
0:09 - Enabling custom kill messages
2:26 - Editing custom kill messages
6:13 - Fixing underscores