I don't speak English well. Where can I get help with questions about Bitcoin? I'm interested in Bitcoin but don't speak English well. Where can I find more information about Bitcoin, and get help with my questions in [my mothertongue]?

This is a canonical question to serve as a lightning rod for questions in Russian, Japanese, Chinese, Spanish, Turkish, Arabic[1], or other non-English languages that we do not support here.

[1] listing languages I've already seen on Bitcoin.SE.
A good starting point is Bitcoin.org website:

https://bitcoin.org

The site content is available in several international languages and provides a good overview of Bitcoin, and links to many helpful resources.