Frequently Asked Question

To download and install ESET NOD32 Antivirus 4.0, please follow the steps below:

The download links for Windows XP/Vista/2000/2003 are below:

32-bit version of ESET NOD32 Antivirus 4.0: http://download.eset.com/download/win/eav/eav_nt32_enu.msi
64-bit version of ESET NOD32 Antivirus 4.0: http://download.eset.com/download/win/eav/eav_nt64_enu.msi

Important! Please check your operating system version before downloading either version.

You will need your unique username and password to download your ESET security product. Please reference your confirmation email for this information.

Select Save when prompted to save the file to the Desktop. Once the download has completed, you may be prompted to click Run and begin the installation process. Click Run if you are prompted. If not, navigate to your Desktop or wherever you saved the eav_nt32_enu.msi file. Double-click on it.

Installing ESET NOD32 Antivirus 4.0

To install ESET NOD32 Antivirus 4.0, please follow the steps below. It should be noted that if you are running Windows Vista with User Account Control (UAC) turned on, you may be prompted with additional dialog boxes not shown in the steps below. If prompted, please confirm that you wish to install ESET NOD32 Antivirus 4.0, as well as any associated device drivers.

1. To begin your installation, double-click the ESET NOD32 Antivirus 4.0 installer icon or insert the installation disk. If you are prompted by Windows to open the file, click Open. If you have an installation CD, click Install.
2. The ESET NOD32 Antivirus Setup window will appear. Click Next to continue.
   
   

   
   
   Fig. 1-1
   
   

3. In the next window, select I accept the terms in the License Agreement and then click Next to continue.
   
   

   
   
   Fig. 1-2
   
   

4. The Installation Mode window will appear. Select Typical and click Next to continue.
   

   

   
   NOTE: Selecting Custom install will display additional configuration parameters such as password protection of ESET NOD32 Antivirus 4.0 settings. If you select Typical (recommended) the additional configuration parameters can be accessed after installation is complete.

   
   
   Fig. 1-3
   
   

5. On the next window, enter your ESET-provided Username and Password and click Next to continue.
   

   

   
   Important! Please enter your username and password exactly as they are written in your ESET registration email. The username is in the format EAV-12345678 and the hyphen is required. Both the username and password are case sensitive. The password should be ten characters long and all lowercase. If you are copying and pasting, make sure a blank character is not being included in the string. Also, we do not use the letter L in passwords (use the number one (1) instead), a big 0 is the number zero (0), a little o is the letter o.

   
   
   Fig. 1-4
   
   

6. In the ThreatSense.Net Early Warning System window, select the Enable ThreatSense.Net Early Warning System option and click Next to continue.
   
   

   
   
   Fig. 1-5
   
   

7. In the next window, Detection of potentially unwanted applications, select the Enable detection of potentially unwanted applications option and click Next to continue.
   
   

   
   
   Fig. 1-6
   
   

8. In the next window, Ready to Install, click Install to continue.
   
   

   
   
   Fig. 1-7
   
   

9. Once you click Install, you will see the Installing ESET NOD32 Antivirus window (below) for a few minutes.
   
   

   
   
   Fig. 1-8
   
   

10. When you see the Completing the ESET NOD32 Antivirus Setup Wizard window, click Finish to complete your installation.
    
    

    
    
    Fig. 1-9
    
    

    

    
    NOTE: If an error message is displayed during installation and you previously had ESET NOD32 Antivirus installed on your computer, verify that you have uninstalled it completely. Also, delete the C:\Program Files\ESET folder.