[KB2792] Activate my ESET Windows home product using the license key



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

Video Tutorial

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

  1. Open your Windows ESET product. If your product is not activated, your main window will be red:

Figure 1-1
  1. Click Help and support Change license.

Figure 1-2
  1. Click Use a purchased License Key

Enter a License Key you already purchased:

For information on how to enter your license key, click here.


Figure 1-3
  1. Type or copy/paste your ESET-issued License Key into the License Key field and then click Continue. Make sure you enter the License Key exactly as it appears and include the hyphens. If you copy/paste be sure you don't accidentally select additional space around the text. Click here if you lost your License Key.

Figure 1-4
  1. Click Activate.

Figure 1-5
  1. Click Done. You have successfully activated your product.

Figure 1-6