Windows operating system has more chance of affect by the viruses, Trojans and other Malwares.  This can used  to protect many privacy issues as your personal information could be at risk For that purpose   we are downloading the  antivirus programs and anti-spyware programs from the internet. Most of the antivirus programs are free, and paid ones antivirus tools available for Windows.

Best 6 Free Light Weight Antivirus Software/Apps for Windows 7,8, XP:

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     Microsoft Security Essential is free and Light weight Antivirus app for Windows 8. All of them are capable of detecting malware, virus threat, trojan, worm and rootkit infection.

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Avast! Free Antivirus:


      Avast! Free Antivirus is is one of the best and popular free software available for Windows. The program is simple to install; a straightforward interface makes it easy to use; a quick first scan should identify any potential threats on your PC, and this all has minimal impact on your system performance.In the AV- test , AV comparitives selected as best in the antivirus tests.

      As like all antivirus  it has firewall and anti spam protection which prevents phishing and spam emails.Avast requires a free registration to function after 30 days, and remember that the default installation installs the Chrome browser. Avast Free  has another advantage too , it will give the regular alert to the program updates, remove unwanted add-ons from browsers.

Avira Free Antivirus:

Avira Free Antivirus

     Avira is the one of the best Antivirus program protects  from viruses, Trojans, worms, spyware, adware, and other malware behind the Microsoft’s ‘Security Essentials’. Avira Free  works on Windows 8.1, Windows 7, Windows Vista, and Windows XP. it also enhances your privacy and empowers you to safely surf the web.It also offers anti-malware protection, anti-spyware protection, and browser protection.

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Panda Cloud Antivirus Free:

Panda Cloud Antivirus Free

     Panda Cloud Antivirus Free Edition is the first cloud-based antivirus. It is a light-weight antivirus which provides free real-time antivirus protection, and can be used alongside many other security tools without problems. Panda Cloud Antivirus Free supports Windows 8, Windows 7, Windows Vista, and Windows XP.

     It provides maximum, rapid protection against the latest viruses, thanks to Collective Intelligence, without constant updates slowing down your computer.The Pro edition helps to protect you at public wifi networks, for instance, while its “USB Vaccine” function reduces the risk of malware infecting a USB drive.

ESET NOD32 Antivirus:

    ESET for home users is a lightweight and hassle-free internet security solution for your system with features of antivirus, antispyware, firewall, anti-rootkit and antispam capabilities, you also get anti-malware scanning, phishing protection, anti-spyware protection, and even special tools to make sure you don’t fall for scams and hacks on social networks like Facebook and Twitter. This enables them to protect your computer proactively, in real-time, against new viruses and cyber threats that conventional signature based antivirus products don’t catch.

BitDefender Antivirus

     Bitdefender Antivirus  Free Edition  is an antivirus program easy to setup and configure and uses very little system resources, while sacrificing nothing of the malware detection and removal capabilities . A very basic interface then provides effective on-demand and automatic scanning, real-time antivirus and antiphishing protection. The program is ultra-compact, downloading and installing in less than a minute.

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AVG Free Antivirus:

     AVG AntiVirus is also the  Free antivirus packages. As like avast, AVG also performs best in AV-Test  This feature joins Anti-Spyware and WiFi hacker-defeating technology to deliver powerful personal protection at home or on the move. an antivirus engine, email scanner, identity theft protection, and LinkScanner Surf-Shield to keep you safe online. It works well on Windows 8.1, Windows 7, Windows Vista, and Windows XP.