[KB2792] Activate my ESET Windows home product using the license key (14.x–15.x)



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Your ESET home product is updated at least once a day with new virus detections and occasional program component upgrades. These updates will fail if your product has not been activated using a License Key.


 Android users | macOS Users

In-store or online retailer license purchase

If you have purchased your license in-store or through an online retailer, register your license before proceeding.

If you did not add a license key during installation, or your ESET product is still not activated, follow the steps below:

  1. Open the main program window of your ESET Windows product.

  2. When the product activation screen appears, click Use a purchased License Key.

    Figure 1-1
Type or copy/paste in a License Key that you already purchased

Read more on Licenses and license management.

  1. Type or copy/paste your ESET-issued License Key into the License Key field and click Continue. Make sure to type the License Key exactly as it appears, including the hyphens. If you copy/paste the license, ensure that you do not accidentally select additional space around the text.

    I lost my License Key.

    Figure 1-2
  2. Click Activate.

    Figure 1-3
  3. Click Done. You have successfully activated your product.

    Figure 1-4

I received an activation error while installing my ESET product—what does it mean?