The application process for JEE Main is conducted online through the official NTA website. Candidates must first register using a valid email ID and mobile number, after which they receive an application number. They then need to fill in personal details, academic information, exam center preferences, and upload scanned copies of their photograph and signature according to specified guidelines. After completing the form, candidates must pay the application fee through online payment modes such as credit card, debit card, net banking, or UPI. Once the payment is successful, the application is considered complete. Candidates are advised to download and save the confirmation page for future reference.