Open the CoWIN website or Aarogya Setu app
Sign in using your mobile number and verify with OTP
Enter your PIN code or district to search for vaccination centers
Select the 18+ age group filter if available
Check available slots for the vaccine date and center
Choose a suitable time slot
Enter beneficiary details such as name, age, and ID proof
Confirm the booking
Save or download the appointment confirmation
Carry the required ID proof to the vaccination center on the appointment day