Book + project. Have something you want to build. Have a book teaching a language from zero. Have a computer with the language on it. Start reading the boo

Book + project. Have something you want to build. Have a book teaching a language from zero. Have a computer with the language on it. Start reading the book, finding the bits you need in order to build your project. It won't give you complete mastery of the language, but it's a place to start.