Kaspersky Internet Security 2017 is an antivirus software that protects your computer from virus attacks, malware, spyware, and ransomware. Kaspersky Lab provides various antivirus software based on user requirements, and Kaspersky Internet Security 2017 is one of them. The Kaspersky antivirus is available for both Windows and Mac operating systems. Follow these steps to install Kaspersky Internet Security 2017 on your computer :