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Uninstall or reinstall your ESET home product


  • Uninstall and reinstall your ESET product to resolve an issue you are experiencing
  • Upgrade ESET product to the latest version

This article applies to the following products:

  • ESET NOD32 Antivirus
  • ESET Internet Security
  • ESET Smart Security
  • ESET Smart Security Premium


To view instructions for an operating system other than Windows, choose the appropriate operating system below:

Mac Users |  Linux Users |  Android Users

Have your ESET License Key available

After you uninstall and reinstall your product, you must enter your ESET-issued License Key in section III to complete activation and restore protection.

I. Download the latest version of your ESET home product

  1. Choose the appropriate download link below:
Product Name Download Link
ESET NOD32 Antivirus Download
ESET Internet Security Download
ESET Smart Security Download
ESET Smart Security Premium Download
  1. When prompted, click Save and save the file to your Desktop.


II. Uninstall your existing ESET product

  1. Click Start → All Programs → ESET → Uninstall.

  2. After completing uninstallation, restart your computer. 


III. Reinstall

  1. Navigate to the saved installation file on your Desktop from section I, step 2. Double-click the file to open ESET Live Installer.
  2. Follow the on-screen instructions to install and activate your ESET product. For illustrated instructions on product installation and activation, visit the appropriate page for your product below:


IV. Troubleshooting

  1. If installation is unsuccessful after performing the steps in parts I - III, run the ESET Uninstaller tool and then attempt to install again.
  2. If you are still unable to install your ESET product, contact ESET Customer Care.

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