What is an equivalent expression to "How to" that is used when searching/referring to guides, especially online?
When English nintendo website use “How to Charge the Controller”, In Japanese nintendo website use “コントローラーを充電する”. It has no meaning of “how to”, but this is a popular way. You can use “コントローラーの充電のしかた” too.
When you google “How to become a teacher?“ in Japanese, you should use “先生 なる 方法” or “先生になるには”.