• Go to the ITax portal
• Enter your KRA pin and password and key in the answer to the arithmetic question
• Go to the returns menu and select file nil returns
• Select your type of taxation and tax obligation and enter your KRA pin
• Enter your details and the return period
• Complete and submit
• Download the receipt

for more information on how to file other forms of taxes  head on to https://www.kra.go.ke/en/services/file-my-returns