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.
To watch a video of the steps below, click here. Please make sure that you have the latest version of Adobe Flash Player.
Windows XP
- 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
- 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.
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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.
Click here to visit the download page for Home users.
Click here to visit the download page for Business users.
Please click the image below for a quick video tutorial:
Related:
Is ESET NOD32 Antivirus a native 64-bit application?
Is ESET NOD32 Antivirus compatible with Microsoft Windows Vista?