It will probably work with the new Dev-C++ but Visual Studio is a much better option.
Online chat should work fine. Can't help much more as "didn't work" is not a problem description.
There's now also Discord.
SFML requires you to have a good understanding of C++, if you're just starting out, I recommend you spend more time on pure C++, as there's a lot to learn and without will make everything a lot harder to understand.
Check the SFML tutorials on how to use SFML.