Anti-virus software and Windows

Speaking of the personal computer is Windows, then you would be more likely to be targeted by the virus to be a major OS.
Anti-virus software There are many Windows-only.
We will introduce the anti-virus software that is provided free of charge by Microsoft in it.
Is "Microsoft Security Essentials".
Because I will be provided free of charge, it is a good story for those who have to purchase anti-virus software before.
However, I have just the actual functionality to determine if any degree is worrisome.
I thought the fact that Microsoft has said and is not intended to compete with existing anti-virus software and is not a multi-function.
You would say that if you seek advanced protection, and anti-virus software, please purchase another.
Course, and offers a free full-featured anti-virus software from Microsoft, other anti-virus software is no longer sold.
There is an existing manufacturer're friendly.
Security Essentials is a virus in the background monitoring.
Icon appears in the taskbar as well as other software.
System scan is performed once a week, with the default settings are usually real-time protection function is activated.
There are three scan modes quick scan, full scan, custom scan.
That is to say how far each is either expand the scope of the scan.
You can also scan the right button to specify the file.
Security Essentials is running but does not seem to affect the operation of the Widows.
The load is small.