Before deciding to purchase a paid version antivirus, we better try the free version first. The free version is not a trial, but it is completely free, of course, with any shortcomings versus the paid version. However, it is good enought to provide a basic security for our computer from virus attacks.
You can download these 3 free antivirus from their officieal site:
Founded in 1991
Heartquarter: Amsterdam, Neatherland
Focus: Protection, Performance, Privation
Platform: PC Mac®, iPhone®, iOS®, Android™, Windows Phone®
177 million active users (per 31 Desember 2013)
14 office around the world
Over 1000 employees
Founded in 2001 by Eduard Kucera and Pavel Baudiš
Over 380 professionals headquartered in Prague, Czech Republic
Additional offices in Germany, the USA, and China, distribution partners in all markets, and a global community of avast.
Industry Computer software
Founded Germany (1986)
Founder Tjark Auerbach
Headquarters Tettnang, Germany
Key people Travis Witteveen – CEO
Products Antivirus software
But, after trying these free version, you would better to buy the paid version to get a full protection.
To see more about free antiviruses, you could refer our recommendation below: