AVG Internet Security 2013 -comprehensive antivirus with firewall, atispamom and effective web protection. Provides protection against all types of Internet threats, network attacks and malicious files from the cloud technology reputation.

Bitdefender Internet Security 2013 combines all the necessary features to protect your computer and sensitive information, and easy management of Antivirus components. Layered defense against viruses and online threats is provided by cloud antivirus technologies, active monitoring of the behavior of each of the programs that are running, two-way firewall, anti-spam and Vulnerability Scanner.

Dr.Web� for Windows provides reliable and highly efficient protection of your system and data regardless what type of the Microsoft operating system is installed on your computer. The Dr.Web� for Windows components allow in a real time mode to detect malicious programs from any external sources.

PC Tools Spyware Doctor delivers powerfully simple protection against dangerous spyware. Integrating multiple layers of protection, it stops and blocks spyware, no matter how it tries to attack and infect your PC. Built on award-winning technology, yet made straightforward for everyday use, iti??s the powerful, easy, and fast way to defend your important personal information against spyware. Powerful protection i?? PC Tools Spyware Doctor detects and stops the latest and most malicious spyware attacks. Integrating multiple layers of protection, it stops and blocks spyware, no matter how it tries to attack and infect your PC. Whether you are surfing, shopping, socializing, sharing, or banking, comprehensive guards stop new spyware faster than traditional security products. Engineered for speed- No more sitting around waiting for protection. PC Tools Spyware Doctor has been built to guard your PC from spyware without interfering with everyday use. Easily customize performance levels to fit your needs.

Mac OS X Snow Leopard (version 10.6) is the seventh and current major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers.

Snow Leopard was publicly unveiled on June 8, 2009 at the Apple Worldwide Developers Conference. On August 28, 2009, it was released worldwide,and was made available for purchase from Apple's website and its retail stores at the price of US$29 for a single-user license. As a result of the low price, initial sales of Snow Leopard were significantly higher than that of its predecessors.The release of Snow Leopard came nearly two years after the introduction of Mac OS X v10.5 "Leopard", the second longest time span between successive Mac OS X releases.