Versioning rules

ESET follows industry standards for product version numbering. See the example below on how to read the individual numbers found in the product version:

Versioning explained

ESET Internet Security version


Major version


Minor version/Service release


Build number/Patch level


Additional differentiator
(for example, language version)

Major version

Moving to a later version typically involves a major product overhaul, change in product architecture, or dropped operating system support for an earlier operating system version(s).

Minor version/Service release

Increasing this number means minor bug fixes and minor functionality changes compared to the previous version.

Build Number/Patch level

Indicates required automatic security and stability updates. No functionality changes are made.


ESET guarantees Full Support for the latest major versions and corresponding minor releases of these products:




ESET Smart Security Premium

ESET Mobile Security

ESET Cyber Security Pro

ESET Internet Security

ESET Parental Control

ESET Cyber Security

ESET NOD32 Antivirus

ESET Smart TV Security