ESET NOD32 can be updated offline using update files downloaded from ESET’s official website on an internet-connected computer, then transferred to the offline machine.
Understanding ESET NOD32
This is the recommended way for business environments or users with technical knowledge, as described in the ESET Mirror Tool documentation Download the Mirror Tool : Obtain the tool from the ESET Download Page Create an Update Folder : Create a folder on an internet-connected PC (e.g., C:\ESET_Mirror Run the Tool via CMD eset nod32 offline update top
Officially, ESET Home products (like NOD32 Antivirus 18 or NOD32 Antivirus 19) do not support offline module updates directly through the user interface. Complete Guide: ESET NOD32 Offline Update 1
