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System requirements

Your system should meet the following hardware and software requirements for ESET Internet Security 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


The latest version of ESET Internet Security (version 16.1) requires Windows 10 or Windows 11 operating systems. If you cannot upgrade Windows, install ESET Internet Security version 16.0. See the ESET Internet Security version 16.0 Online Help for more information.


Always keep your operating system up to date.

ESET Internet Security features requirements

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



Intel® Threat Detection Technology

See the supported processors.

Banking & Payment protection

See the supported web browsers.

Transparent background

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.

Banking & Payment protection—website redirection

Non-ARM64-based processor.


An internet connection is required for activation and ESET Internet Security 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.