Which antivirus software is installed in win8?

First, win8 comes with MSE
With win8 operating system, we know that win8 comes with a free anti-virus software. That is Microsoft Security Essentials (MSE). This is also an anti-virus software developed by Microsoft. This software is available in Chinese. This anti-virus software has been born in the era of win7. It is recommended that you use the anti-virus software that comes with it.

2.Avast! Internet Security anti-virus software
But if your computer often enters some unknown and unknown website sites, download a lot of unknown software and files inside, if MSE anti-virus software may meet No need, because no matter what software is there are certain loopholes. Here you are advised to try a foreign anti-virus software Avast full name is Avast! Internet Security, the anti-virus software provides you with the highest level of computer virus protection. Avast! Internet Security includes anti-virus AVAST, virtualization modules, anti-spam filters and built-in firewall capabilities.
Three, other classes
Anti-virus software, there are free and paid anti-virus software, free 360 ​​anti-virus, 360 security guards, Jinshan anti-virus. Charges include Kaspersky Anti-Virus, Norton 2009 Cyber ​​Security Special, and Kingsoft Internet Security Suite.

Of course, which anti-virus software is installed in your win8 system is to see your own choices