Download BHIM UPI app
Open the application and select your language. Then, select your sim which is linked to the bank account.
Set-up a 4 digit pin that is your secret number to open and use the application.
Select the name of your bank and choose the bank account. This will automatically create your UPI ID.
Now, enter the last 6 digits of Debit card /ATM card and date till which the card is valid.
You will receive an OTP on your registered mobile number, copy the number and paste. Now create a UPI pin by entering a 6 digit pin (only this number will approve transactions so remember it) and your registration will be complete