Click https://www.eset.com/in/support/activate/ Note: You need to enter India into Country section as the Product Activation Code was provided by Indian Authorized Seller. You can select language according to your preference as the Product is global. Fill the rest of form based on your own info, and enter the Activation Code that I have provided you with. After activation ESET will send you all the details regarding your product and the activation code . Then click https://www.eset.com/us/download/ Download your product, and install it.