To prepare for the JLPT N5 and N4, focus on building a solid foundation in vocabulary, grammar, and listening skills. For N5, aim to learn at least 800 words, 80 kanji, and be proficient in hiragana and katakana. Study materials like the Genki series and official JLPT workbooks are beneficial. Practice with sample questions available on the official JLPT website, which provides insights into test formats and types of questions.

Additionally, utilize online resources like Japanesetest4you.com for free practice tests and exercises. Consistent study over several months is recommended for effective preparation. For the N4 level, expand your vocabulary to around 1,500 words and 300 kanji. Familiarize yourself with more complex grammar patterns and improve your reading comprehension skills. Continue practicing with past JLPT tests and online resources to assess your progress and identify areas that need more focus.

To prepare for the skill test for Japan, research the specific requirements for the job or visa you are applying for. Ensure you meet the necessary language proficiency level, which may vary depending on the position. Practice conversational Japanese by engaging with native speakers, watching Japanese TV shows, and reading Japanese newspapers. Familiarize yourself with common business etiquette and customs in Japan to make a good impression during the interview process. Seek guidance from language schools or online resources that specialize in skill test preparation for Japan.