Antivirus Basics
What does antivirus software actually do? A plain-English guide
How antivirus detects threats, what real-time protection means, what antivirus can't protect you from, and whether Windows 11 needs extra protection.
Home / Blog
All guides
Independent explainers on antivirus and online safety, reviewed regularly against the current versions of Windows 11 and each product.
Antivirus Guides
AVG AntiVirus Free explained: features, safe setup and settings to check
What AVG AntiVirus Free includes, how it differs from the paid version, how to install it safely, and which privacy and pop-up settings to review.
Browser Protection
Guardio explained: what browser security extensions do and who needs one
How Guardio protects you inside Chrome and Edge, what it can and can't catch, how to set it up, and how it fits alongside a normal antivirus.
Comparisons
AVG vs Guardio vs Microsoft Defender: which protection do you actually need?
An independent side-by-side comparison of three very different kinds of protection, with recommended combinations for different households.
Scam Awareness
Fake antivirus and scareware: how to spot it and what to do
The warning signs of fake antivirus alerts and rogue security software, how to remove them, and what to do if you already paid or gave access.