Download the free trial from
https://www.eset.com/us/home/free-trial/. Open the downloaded ESET program. Go to Help and support > Activate License. Type or copy/paste your ESET-issued activation key into the Activation key field and click Continue. Ensure you type the activation key exactly as it is, including the hyphens. If you copy/paste the activation key, ensure you do not accidentally select additional space around the text. Click Activate. Click Done. You have successfully activated your product.