On an internet-connected PC, download the latest offline update archive (often a .zip or .rar file) from an official or trusted ESET update source.
Go back to the main Update screen and click Check for updates . Method 2: Using the ESET Mirror Tool (Advanced/Business) Mirror Tool - Windows | ESET PROTECT On-Prem 12.0 eset nod32 antivirus offline updates
Disable the "Choose automatically" toggle next to . On an internet-connected PC, download the latest offline
In the field, click Edit and add the path to your extracted folder (e.g., C:\eset_updates ). On an internet-connected PC
You must have an active license key to receive updates.