Yes it is easy for me to understand. Yes it will continue to be used for reasons I cannot fathom. It is archaic and generally considered by those who know the original languages to be an inferior work. I am far more versed in NT Greek than OT Hebrew, although I can find my way around the Hebrew Scriptures eventually. The KVJ NT, while being a stalwart and true translation of the original (and paraphrase of earlier translations) is not nearly as accurate as, say, the NIV or RSV. Those who tell you otherwise are offering opinions based on their preferences.
Dear brother it is all Greek to me, I struggle with English. (link removed by mod - engages in criticism of ministires)