Have you ever read online or has a friend to tell you how their computer unresponsive, a yesteryear error screen, or even perhaps that there is the computer has been compromised. If so you've heard of some of the horror stories associated with computer viruses and the damage they can do. However there is hope, even if it is called an Anti-virus. These programs are designed to help ensure security against attacks by our computers. Consider this way your computer gets a cold (virus), and you give cold medicine (anti-virus).
There are a variety of antivirus out there, some are extremely expensive and huge monstrous programs while others are free and not really great. Free anti-virus is AVG Free Edition of GRISOFT. There are versions of the programs that the costs, but for most personal computers will be the free version to work correctly. Another fact about some antivirus is that not all are come with spyware and Trojans protection; Make sure you see what yours and that you might need.
When it comes to any program a little bit of common sense is recommended. First, you need to know what operating system you are running and megabytes how your computer has in it. When you know these things, you can see if your PC meets their requirements for the installation. Otherwise, I recommend running the software, for the simple reason if it is to big to run all your operating system to computers and a few other programs such as the internet is running and then I would recommend all do. However, if your computer meets the requirements, then by all means go for it.
Anyone who wants to get their value for money from their PC will have a good antivirus installed. And free of charge, of course.
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