1-Amiti free Antivirus
Amiti free Antivirus is a program that supports scanning and it has 4 different types of scanning, including the one that can currently check the viruses that are currently running in the memory. There's a tool included that can be used to quickly clean all the files to free up its disk space. There aren't a lot of settings or options, but it does monitor the scanning files automatically and supports updates to its database. Amiti Antivirus also provides some constant virus protection, called resident protection, for free. Works with Windows 10, 8, 7, Vista and, XP.
2-Comodo free Antivirus
This Antivirus is from the Comodo security solutions and is another excellent program, easily one of the best Antivirus options. This Antivirus protects you from so many threat services, as many of them on this list do. Comodo Antivirus also utilizes some other technologies to make the process silent but still effective. Comodo Antivirus works with Windows10, 7, 8,Vista, and XP.
3-FortiClient free Antivirus
It is an Antivirus, firewall, parental control, optimization, a program that's powerful enough for a business to use. Also referred to as "threat management" tool. FortiClient is really easy to set up, automatically updates its virus definition files, full system scan once per week, all about you ever having to worry about it. Manage all clients from a single console. FortiClient supports WindowsXP and newer Window Operating System which includes, Windows 10, 8, 7, Vista and can also run Mac OS X.
4-UnThreat free AntiVirus
UnThreat AntiVirus offers standard malware protection, including the threats via e-mail. UnThreat didn't try to install extra software during the installation process, nor any of the browser settings changed. UnThreat AntiVirus provides constant protection, also called on access or resident protection. This totally means that UnThreat Antivirus can replace antivirus software from companies like McAfee and Norton. Advantages of the UnThreat AntiVirus include its automatic updates, quick download, and install, email protection, scheduled scans. UnThreat officially supports these operating systems - Windows 8, 7, Vista and XP and may work in others too.
With so many best AntiVirus available, you have no excuse for going without protection.And you'd be forgiven for thinking that this is all you need. After all, Windows Security Essentials/Defender is just about the easiest antivirus application to use and get to grips with, and it's mostly invisible in the way it operates.