Want more features? You can upgrade your ESET subscription to a higher‑tier product (e.g., moving from ESET NOD32 Antivirus to ESET Internet Security or ESET Smart Security Premium). The upgrade option is available through both ESET HOME and the eStore portal.

A: Old ESET versions used a username + password. New versions use a single license key. Both work in modern ESET products.

ESET Check License Key New: The Ultimate Verification & Troubleshooting Guide

Click on the Licenses section from the main dashboard.

If you need to protect additional devices without changing your expiration date, choose the option in eStore. ESET will prorate the cost for the extra devices and match their expiration date to your existing license.

Copy and paste the key directly from your purchase email instead of typing it manually. Ensure you do not include accidental spaces. License Ubiquity / Seat Limit Exceeded (Error ACT.0)

The central hub for all ESET subscriptions is the ESET HOME platform. This online portal provides the most detailed information about your software status. Go to the website. Log into your existing account or create a new one. Navigate to the Licenses section. Click Add License . Type or paste your 20-character new license key.

Click Continue and follow the prompts to complete activation. Method B: Verifying Expiration Date To check if the new key was applied: Open the ESET main window. Click Help and support .

If you have ESET already installed (e.g., older version or trial), you can check a new license key inside the application.