Visit the official UPSC website: https://upsconline.nic.in/
Register as a new user if you are applying for the first time
Log in with your registered credentials
Select the UPSC exam you want to apply for, such as Civil Services Examination 2024
Fill in the online application form with accurate personal, educational, and contact details
Upload the required documents, photograph, and signature in the prescribed format
Pay the application fee online, if applicable
Review all entered details carefully before final submission
Submit the application form
Download and save the submitted application form and fee receipt for future reference
Check the official UPSC notification for eligibility, important dates, and document requirements