ESET Smart Security Key, ESET Smart Security, nod32 key 2019 and Eset Nod32 antivirus key are updated at least once a day, adding new virus definitions and periodic updates to program components. These updates will not be performed if your username or password is incorrect or entered incorrectly, or if your product has not been activated using a license key.
After installation, you will be automatically prompted to enter a license key to activate your product. If you missed this step, or your product is still not activated, follow these steps:
1- Open your Windows ESET product.
2- Click Help & support → Change license.
3- Click Enter license key. This step is not available in ESET products version 10.Version 10.x: skip to step 4.
4- Enter or copy / paste your ESET license key in the License Key field and click Continue. Make sure you enter the license key as it is and include hyphens. If you are copying / pasting, make sure that you do not accidentally select additional space around the text. Click here if you have lost your license key. Version 10.x: enter or copy / paste your ESET license key into the “License key” field, click “Activate” and skip to step 6.