Step 1: Visit the official UPSC website or go to https://www.upsconline.nic.in.

Step 2: Complete the online registration form by filling in your details and uploading required documents such as your photograph, signature, and identity proof.

Step 3: Ensure you provide a correct and active email address in the application form for communication purposes.

Step 4: After submitting the application form, download and print the registration confirmation for your records.