[KB523] Choose which version of my ESET home product to download (32-bit or 64-bit)


  • You receive the error message “This installation package is not supported by this processor type”
  • ESET Technical Support has directed you to this article to learn whether your system is 32-bit or 64-bit

I am a business user


If you do not have your License Key or Username and Password, visit our lost license page to retrieve them. Your active (non-expired) ESET license includes both the 32-bit and 64-bit versions of your ESET product.


Windows 10

Windows 11 Update

The Windows 11 update may affect the compatibility of your ESET product on Windows 10 operating systems.

  • Home users: If your ESET product is version 13 or 14, you do not need to make any changes. Visit our article for more information about the update.
  • Business users: The ESET product versions listed here are all compatible with the update.

Video Tutorial

  1. Press the Windows key  + on your keyboard, type Control Panel into the search bar and select Control Panel. Click System.

  2. Your system type is displayed in the System section.

  3. Click the appropriate link for your system in the table below.

Windows 8

  1. Press the Windows key + C, click Settings and then click PC info.

  2. Look for the System type section of the properties window.

  3. Click the appropriate link for your system in the table below.

64-bit Download 32-bit Download
ESET Smart Security Premium ESET Smart Security Premium
ESET Internet Security ESET Internet Security
ESET NOD32 Antivirus ESET NOD32 Antivirus

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