• Open https://accounts.hindustantimes.com/lm/userplan
• Choose your membership pack of Mint / Mint + Wall Street Journal
• Apply code in the coupon code slot on the plan page.
• Login with your credentials or sign up and make the purchase
• Start reading your Mint Premium subscription.

For Wall Street Journal Activation:

Post above steps, you will receive another email with an activation link for The Wall Street Journal subscription. In addition, users can also activate the WSJ subscription from the profile section of Mint App