Pinyin or Hanyu Pinyin is the official Chinese romanized phonetic/pronunciation system. It’s been around for over 50 years and has been helping Chinese learners a lot. More Info Here

How do you type the Pinyin tone marks with your keyboard? It’s pretty tough without some tools.
You can do it easily with This One
(Try to type in this han4yu3 pin1yin1 and you will get hànǚ pīnyīn )