Warning: Resetting trial periods can violate ESET’s terms of service and may be illegal in some jurisdictions. The proper way to continue using ESET is to purchase a valid license. Below are legitimate options and a clean troubleshooting path.

ESET offers separate trials for different products. For example, if you used the trial for ESET Internet Security, uninstall it and try:

These are different product codes. While they don’t have identical features, you will get another month of core protection.

Instead of fighting the trial timer, consider these options:

Plan your test: install only when you’re ready to evaluate fully. For a second opinion, use ESET’s online scanner (free, no time limit).

You’ve just finished building a new PC or performed a clean operating system installation. You want robust protection without immediately pulling out your credit card. So, you download ESET Internet Security—renowned for its lightweight scanning engine, proactive threat detection, and minimal system footprint.

You install the 30-day trial. It works flawlessly.

But then, day 31 arrives. The friendly green icon turns a stressful red. The pop-ups begin: "Your trial license has expired." Suddenly, real-time protection is disabled, updates halt, and you are vulnerable.

You have two options: Buy a license or find a way to reset the trial.

In this guide, we will explore what "ESET Internet Security reset trial" actually means, the technical mechanics behind ESET’s licensing, the legitimate methods to extend your trial, the risks of third-party "crack" tools, and how to legally use the software for extended evaluation periods.


ESET has anti-tamper mechanisms:

Attempting a manual reset on recent versions (v15, v16, v17) often fails or triggers license error.


  • Use the free trial legitimately

  • Use ESET Online Scanner or ESET Free tools

  • ⚠️ Works unreliably on versions after 2020. Do at your own risk.

    [pms-recover-password]

    [pms-account]

    [pms-register]

    [pms-login]