In an age of ubiquitous software, there really isn’t any excuse not to have almost any software you want. Linux offers almost anything you can dream of for free. It really is staggering. And the setups are becoming much easier and sophisticated. If you haven’t given Linux a try, you should. But, if you are using Windows and are looking for some free anti virus options – here u go. Realize, these are usually available for home users. Please don’t use them if you are a small business. There are fee based anti virus solutions for you.