: ESET products (starting from version 9) can no longer be activated using the username/password method.
If you're looking to convert a license key into a username and password for an ESET product, here's a step-by-step approach: eset convert license key to username and password free
If you still have an older version (like ESET Version 9) installed, you can often convert directly within the app. : ESET products (starting from version 9) can