If you are receive either of the error messages shown below (see Figure 1-1) while activating on our website, you have already activated your activation key or serial number and received a Username, Password, and/or License Key via email.
You now need to activate your ESET product. To do so, follow the steps below:
If you are receiving the error message "The serial number you entered could not be found in our system" (see Figure 1-2), it is likely you entered your serial number incorrectly.
When entering your serial number or activation key, use the following guidelines:
If you are still unable to resolve your issue, please email ESET Technical Support.