Updating the detection engine and updating program components is an important part of protecting your system against malicious code. Pay careful attention to their configuration and operation. In the main menu, click Update and then click Check for updates to check for a detection engine update.

If the License key was not entered during the activation of ESET NOD32 Antivirus you will be prompted for them at this point.


The Advanced setup window (click Setup in the main menu and then click Advanced setup, or press F5 on your keyboard) contains additional update options. To configure advanced update options such as update mode, proxy server access and LAN connections, click Update in the Advanced setup tree.

If you experience problems with an update, click Clear to clear the temporary update cache.


If you do not want the system tray notification at the bottom right corner of the screen to appear, select Disable display notification about successful update.