NOTE: Make sure that you download the latest Version of eScan from the download section on the @lantic Website ( http://www.lantic.net/downloads/downloads.html)

To register your new eScan license key, click on Start, then on Programs > eScan for Windows > eScan Registration.
The License Information of eScan window is displayed. Alternatively, the window can be accessed by right clicking on the shield in the notification area task bar then on Open eScan Protection Center >  Product Key

Enter the 30-character License key in the Enter License Key text box which you received on purchasing the eScan software and then click Apply.

After entering a valid license key, you will get the following screen with the message that your license key has been updated.

Then is will restart the services and the new key would have been applied and will be activated for the new year.