If you're interested in reading the original text, I recommend searching for a reliable PDF source, such as a scanned version of the book or a digital edition from a reputable publisher.
The chapter takes the form of a poem, narrated by Ivan Karamazov, which tells the story of a grand inquisitor who encounters Jesus Christ in 16th-century Seville. The poem is a response to Alyosha's request to Ivan to explain his thoughts on the nature of faith and morality. Through this poetic narrative, Dostoevsky presents a scathing critique of human nature, revealing the darker aspects of human psychology and the flaws in the institutionalization of faith.
As you download your , search for these passages (translated roughly back to English from the Serbian):