Don't use Windows. It is simple as that. If you use Windows, you have already failed in your Internet security. No amount of anti-virus software will protect your computer from malware, viruses, hackers and etc if you use Windows. Use Linux if you don't want your computer to get infected by malware. Linux doesn't need anti-virus software because it is designed to not get infected by malware. Windows needs anti-virus software because it is designed to get infected by malware and viruses. So, no amount of anti-virus software will protect your computer from malware if you use Windows I hope you find this post informative. And please have a nice day ;)