Assalamu aleykum,
Concerning the wudhu and the correct steps, I suggest you to read the book Ritual and Spiritual Purity by Sayyid Muhammad Rizvi, in the chapter about purity he gives all details related to wudhu, its importance and the correct way to perform it:
https://www.al-islam.org/ritual-and-spiritual-purity-sayyid-muhammad-rizvi/ii-wudu
And also this interesting article by Sheikh Saleem Bhimji:
https://www.al-islam.org/articles/method-and-rulings-wudhu-shaykh-saleem-bhimji
Other links about the wudhu are the following:
https://www.al-islam.org/jurisprudence-made-easy-ayatullah-ali-sistani/dialogue-wudhu
https://www.al-islam.org/articles/laws-practices-how-perform-wudhu-and-tayammum
https://www.al-islam.org/all-solutions-are-prophets-progeny-muhammad-al-tijani-al-samawi/wudhu