Solution

1. Uninstall any previously installed antivirus software on your system.
    
2. If you have a CD, insert it into your computer. If the installation does not begin automatically, click Start Computer and double click the ESET disc icon.
   
   To install without a CD:
   1. Download the installer file below:
             Download ESET NOD32 Antivirus                       
       
   2. Double-click the installer file to begin installation.

3. In the Install ESET NOD32 Antivirus screen, select the language you want to install and click Continue.

Figure 1-1

4. Click I Accept.

Figure 1-2

5. Click Enter a License Key. Type or copy/paste the License Key emailed to you from noreply@orders.eset.com following your purchase into the blank field and click Continue. 
   
   Click here if you do not have a License Key or did not receive an email with license info following your purchase.
   

   

   Figure 1-3

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6. Click Continue. 
   

   

   Figure 1-4

7. Select your preference for ESET Live Grid and Detection of Potentially Unwanted Applications and then click Install.

Figure 1-5

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8. Click Done to exit the Installation Wizard.

Figure 1-6