How to activate ESET Antivirus software in Windows
To activate ESET NOD32 you would need a valid license key which you can order from here: Get ESET NOD32 License Key.
Download the installation file for the ESET NOD32 Antivirus: Download ESET NOD32 Antivirus
Then after the installation of the software, follow below steps:
1- Open your ESET product. To open the main program window, click the Show hidden icons arrow on the taskbar and then click the ESET icon 
.
If your product is not activated, your main window will be red:
2- Click Help and support→Change License.
3- Click Use a purchased License Key. This step is not present in Version 10 ESET products.
Version 10.x: Skip to step 4.
4- Type or copy/paste your License Key into the License Key field and then click Continue. Make sure you enter the License Key exactly as it appears and include the hyphens. If you copy/paste be sure you don’t accidentally select additional space around the text.
Version 10.x: Type or copy/paste your License Key into the License Key field, click Activate, and then skip to step 6.
5- Click Activate.
6- Click Done. You have successfully activated your product.
If you face with any problem or you have questions please feel free to contact us through our support portal:
