As far as I know, you don’t “install” bootstrap. You just reference the stylesheet into your document’s <head> and include jquery, popper and bootstrap js files just before the closing </body> tag. See here:
Firstly thank you very much for your answer and the introduction link.
I’ve watched a youtube tutorial and it said I had to install it via npm. And that’s how I got the red alarm messages…
Thank you for your answer. To be honest I’m starting to play with it little by little and my intention was just to use Bootstrap 4 in atom to build responsive websites. Everything went fine until I got these messages highlighted in red saying I couldn’t load the snippets.
My background is focused on business and I’m sorry if I haven’t made myself clear as I’m a true beginner in web development.