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Check your operating system

Which version (32-bit or 64-bit) of ESET Smart Security or ESET NOD32 Antivirus should I download?

To determine which version of the product you should download, first determine whether you have a 32-bit or 64-bit operating system. To do this, follow the steps for your operating system.

Windows XP

  1. Click Start, right-click My Computer and select Properties from the context menu.

    If you have a 64-bit version operating system: Microsoft Windows XP x64 Edition Version appears under System.

    If you have a 32-bit version operating system: Microsoft Windows XP Version [Year] appears under System.

Windows Vista and Windows 7

  1. Click Start and right-click Computer. Click Properties from the context menu.

    If you have a 64-bit version operating system: 64-bit Operating System appears for the System type under System.

    If you have a 32-bit version operating system: 32-bit Operating System appears for the System type under System.

NOTE: Unless you have purchased a high-end gaming or graphics computer, your operating system is likely 32-bit. The vast majority of home users have 32-bit operating systems.