While writing, Microsoft Word keeps complaining about my use of but; so I’ve done a little homework. Here you go.
https://www.youtube.com/watch?v=lYurLnDvwhY
https://www.aranca.com/knowledge-library/blogs-and-opinions/editorial-and-presentation/but-vs-however#:~:text=%22But%22%20is%20a%20conjunction%2C,to%20split%20the%20same%20sentence.
https://eslblogs.waketech.edu/esl-english/2013/03/02/the-difference-between-but-and-however/
https://www.quora.com/Diction-and-Word-Usage-What-is-the-difference-between-but-and-however
https://www.youtube.com/watch?v=by_5nTSy3nE
https://www.youtube.com/watch?v=ZyeM9lkWCug