How to Choose the Right Antivirus in 2026 — A Vendor-Neutral Guide

We install, configure and uninstall antivirus software every week — across Windows 10, Windows 11 and macOS. Here is the advice we give customers who ask, without any vendor commission attached.

Start with what's already on your computer

Windows 11 ships with Microsoft Defender, which scores at or near the top of independent AV-TEST and AV-Comparatives results every quarter. For the vast majority of home users it is enough — provided it is on, kept updated, and paired with a good browser and password manager.

Three questions to ask yourself

1. Do I do online banking from this device? — Yes ⇒ a paid suite with a hardened browser is worth it.
2. Do children or guests use this device? — Yes ⇒ web filtering and content controls matter.
3. Do I run my business from this device? — Yes ⇒ choose a product with endpoint detection (EDR), not just signature scanning.

What to look for

• Excellent real-time protection scores (AV-TEST ≥ 5.5/6)
• Low false-positive rate (avoid products that block legitimate apps)
• Light system impact (you want speed, not slowness)
• Clear, no-renewal-trickery pricing
• A simple uninstall process

What to avoid in 2026

• Bundled 'PC optimisers' and 'driver updaters' — they cause more problems than they fix
• Free antivirus that nags constantly to upgrade
• Suites that hijack your browser DNS
• Subscriptions that auto-renew at 3× the introductory price

Mac users — do you need antivirus?

macOS has built-in XProtect and Gatekeeper. For most users that's sufficient. If you handle sensitive client data, or you regularly download from untrusted sources, a lightweight tool from a reputable vendor adds a useful second layer.

When to call a technician

Removing an old antivirus is often messier than installing a new one. Norton, McAfee and Webroot in particular leave services behind that block other apps. A 30-minute clean install and uninstall session ensures your machine is genuinely protected and runs fast.