Extract the archive into a folder on your offline computer, such as C:\eset_offline .

On the offline machines, change the update server to the IP address of your mirror (e.g., http://192.168.1.10:2221 ). 2. Manual Update via Offline Files (For Home/Legacy Users)

To stay protected, it is recommended to download and apply these updates at least once every 24 hours .

While ESET products typically rely on an internet connection for real-time updates, there are established methods to update them manually using a "Mirror" server or offline update files. Methods for ESET Offline Updates

Note that "ESET Smart Security" has largely been replaced by newer versions like ESET Home Security Essential or Smart Security Premium . Ensure you are using the correct offline files for your specific version.