System requirements

Your system should meet the following hardware and software requirements for ESET NOD32 Antivirus to perform optimally:

Processors Supported

Intel or AMD processor, 32-bit (x86) with SSE2 instruction set or 64bit (x64), 1 GHz or higher

ARM64 based processor, 1GHz or higher

Supported Operating Systems*

Microsoft® Windows® 11

Microsoft® Windows® 10

Microsoft® Windows® 8.1

Microsoft® Windows® 8

Microsoft® Windows® 7 SP1 with latest Windows updates

Microsoft® Windows® Home Server 2011 64-bit



Always keep your operating system up to date.


An internet connection is required for activation and ESET NOD32 Antivirus updates to function properly.

Two antivirus programs running simultaneously on a single device causes inevitable system resource conflicts, such as slowing down the system to make it inoperable.

* ESET cannot provide protection for not supported operating systems since February 2021.