ESET does not typically advertise legacy download links on their main consumer pages. To find a safe, updated download of an older version, follow these steps:
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For air-gapped systems, configure an internal ESET Bridge or Mirror server. Point the legacy client's update path to the internal server IP address to pull fresh detection modules locally. ESET Lifecycle Policy: What Versions are Supported?
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ESET Endpoint Security: Securely Downloading and Updating Older Versions (2026 Guide)
If you are running an EOL product today, The only truly secure course of action is to plan an upgrade.
After activating the new ESET product with your license key, the Home page will be displayed. If the license information is not found, the system will continue with a new trial license. If the license used in the previous product is not valid, you will need to manually activate your ESET product. ESET does not typically advertise legacy download links
Method A: Updating Detection Modules (Staying on the Same Version)
Define the local folder path or HTTP server where the updates will be hosted.
Installing an old version is only half the battle; you must ensure it can still receive virus signature updates. Without updates, an old version is merely a "shell" that cannot stop new ransomware or phishing attacks. Point the legacy client's update path to the
: Running the latest installer usually upgrades the previous version automatically. However, for products in End of Life (EOL)
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Configure an internet-connected machine with ESET Endpoint Security or the ESET Mirror Tool. Download the latest virus signature databases locally.
Older hardware may run better on lighter, legacy versions of ESET Endpoint Security. Risks of Using Outdated Security Software
