Antivirus software is one of the first things you should install on a new PC, and top quality protection can be yours completely free.We've updated our roundup of the best free security software so you know you're getting the very best protection for your data and your personal information.As you would expect, Kaspersky Free is a scaled down version of the full program, ditching additional features such as privacy protection and safe payment sandboxes to concentrate on powerful, no-frills and - most importantly - free protection for your PC.The result is a tremendously easy to use and navigate bit of software that does an effective job of keeping you protected from viruses.Essentially consisting of the AV section of the full product, Bitdefender Antivirus Free Edition's clean, light, well constructed scanning mechanisms – which are almost universally faster than the industry average – and unrivalled virus definitions mean it's pushing back towards the top of the tree.AV-TEST's December testing round did pick out a few flaws in its handling of zero-day threats, however.
The latest edition of Avast Free Antivirus adds an automatic gaming mode to mute popups and reduce system load when you're firing up a processor-hungry game, which is very handy indeed, and the interface has been given a clean new overhaul.
But we understand that for many of you the constant hassle presented by free AV popups can be a bit much to take – so if you're willing to sacrifice a minuscule amount of antivirus protection in favour of a cleaner experience, we're with you.
Sponsored Total Protection for Your Devices & Files with Total AVTotal AV is a solid and reliable antivirus, offering a great feature set including real-time antivirus protection, VPN, Password Vault, Adblocker and ID Theft Protection.
Less impressive is the slight negative effect Avast has on software launch times, and its slightly popup-heavy attitude.
Review and where to download: Avast Free Antivirus A recent entry on our list – but the perfect choice for a home full of PCs Marketing itself as "business-grade security", Sophos Home does a little more than most free antivirus software, and actually seems better suited to families.