Hello,

Follow the following step to download the latest version of JEE Main and Advanced books:

• Official Sources: Look for the websites that are specifically official, which are, the National Testing Agency's website for JEE Main and the website of the JEE Advanced. You will find here syllabus, sample papers, and recommended study material.
• Bookstores & Online Retailers: Websites such as Amazon and Flipkart provide the latest books in preparation for JEE Main and Advanced. You can purchase physical or e-books from these websites.
• Educational Platforms: Websites such as BYJU's, Unacademy, and Vedantu provide books and study material for preparation for JEE, along with mock tests and video lectures.
• Websites like Careers360 provide free PDFs of JEE preparation books . You can also try to download some of them from their recommended reading list.

Apps like Embibe and Toppr have even more comprehensive study materials with mock tests and book resources for JEE. But make sure you are downloading from the right sources- legal and reliable ones.