Now, you must instruct the offline antivirus software to look at your USB drive instead of the default online ESET servers. Open the ESET NOD32 Antivirus user interface.

ESET NOD32 Antivirus Offline Updates: A Complete Guide to Updating Without Internet (2026 Edition)

In the field, type the file path pointing to your USB directory or local folder where the mirror files reside.

path to the folder containing your transferred update files (e.g., C:\eset_updates Return to the main screen and click Check for updates 3. Using Offline Installers for Major Version Jumps