Are you thinking of downloading an Antivirus software for your Windows 8 computer? Usually, Windows computers are prone to viruses, Trojan, worms, and malware, and it is vital to install an antivirus software in it. Moreover, the Windows 8 computers have the built-in antivirus protection, Windows Defender. But, should do think of installing third-party antivirus software on your Windows 8 computer, then proceed with the steps that are given below.