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System requirements

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

Processors supported

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

ARM64-based processor, 1GHz or higher

Operating Systems supported

Microsoft® Windows® 11

Microsoft® Windows® 10


Support for Azure Code Signing must be installed on all Windows operating systems to install or upgrade ESET products released after July 2023. More information.


Always keep your operating system up to date.

ESET Security Ultimate features requirements

See the system requirements for specific ESET Security Ultimate features in the table below:



Intel® Threat Detection Technology

See the supported processors.

Safe Banking & Browsing

See the supported web browsers.

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Windows 10 version RS4 and later.

Specialized Cleaner

Non-ARM64-based processor.

System Cleaner

Non-ARM64-based processor.

Exploit Blocker

Non-ARM64-based processor.

Deep Behavioral Inspection

Non-ARM64-based processor.


An internet connection is required for activation and ESET Security Ultimate updates to function properly.

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