Kaspersky internet security 2014 is available on the websites and also official websites. Mainly this software can be used for protection purpose based on some viruses and others cannot attack the computer system for that purpose it can be used in computer systems. This kind of software is working within the period of time after that they will ask the certain key for activation purpose in that manner to be updated every time using this activation code.
If your protection level expired means download the new activation code to be upgraded by clicking the download button on the websites. After the download you can activate it and then run the downloaded software to generate the activation code follow these steps to enjoy the software by protecting your systems. After the one year you can again download the software to activate the code with a new one then only it works.