Kaspersky Internet Security 2012 delivers premium protection from viruses, Trojans, spam, hackers, and more. Its cutting-edge, hybrid approach to digital security combines innovative, cloud-based technologies with advanced antivirus protection to deliver a faster, more effective response to today’s complex, ever-evolving threats. You, your private data and PC are completely protected as you work, bank, shop and play online. Required for all Installations About 480 MB free space on the hard drive (depending on antivirus database size) CD/DVD drive for installation of the program from CD ROM Computer mouse Internet connection for product activation Microsoft Internet Explorer 6 or higher Microsoft Windows Installer 2.0 Please Note: Safe Run Mode doesn't work with Microsoft Windows XP 64-bit, and works with limitations on Microsoft Windows Vista 64-bit and Microsoft Windows 7 64-bit.