Updated · Aug 2026 · 15 products

Best antivirus for Windows 2026

Windows remains the most attacked platform worldwide. Beyond the built-in Microsoft Defender, many paid suites offer significantly more: VPN, password manager, and advanced ransomware protection. This comparison shows which Windows antivirus delivers the best mix of protection, system impact, and value for money in CHF.

#	Product	Price	Protection	Performance	Platforms
1 Top Pick	Bitdefender Powerful all-round protection with a rich feature set 5 devices	CHF 49.90 CHF 89.90	9.8	9.1	Win Mac And iOS	Details
2	Norton Strong bundle for families and feature-heavy buyers 5 devices	CHF 44.90 CHF 99.90	9.6	8.7	Win Mac And iOS	Details
3	ESET Lightweight security with excellent performance 3 devices	CHF 37.90 CHF 54.90	9.4	9.5	Win Mac And	Details
4	McAfee Solid multi-device bundle for households 5 devices	CHF 39.90 CHF 84.90	9.0	8.0	Win Mac And iOS	Details
5	TotalAV Easy entry point with a strong beginner appeal 6 devices	CHF 29.90 CHF 94.90	8.8	8.4	Win Mac And iOS	Details
6	Avast Recognizable brand with broad device coverage 10 devices	CHF 37.90 CHF 74.90	9.1	8.7	Win Mac And iOS	Details
7	AVG Value-focused alternative with simple setup 10 devices	CHF 32.90 CHF 69.90	9.0	8.8	Win Mac And iOS	Details
8	Microsoft Defender The built-in free baseline for Windows 1 devices	CHF 0.00 CHF 0.00	8.7	9.0	Win	Details
9	Malwarebytes Malware specialist with a lean approach 5 devices	CHF 44.90 CHF 79.90	8.9	9.2	Win Mac And iOS	Details
10	Kaspersky Top marks in protection and detection rates 5 devices	CHF 42.90 CHF 79.90	9.7	9.0	Win Mac And iOS	Details
11	Trend Micro Strong web protection with focus on phishing defense 5 devices	CHF 39.90 CHF 69.90	9.3	8.5	Win Mac And iOS	Details
12	Panda Security Budget-friendly entry with cloud-based protection 5 devices	CHF 26.90 CHF 49.90	8.8	8.9	Win Mac And	Details
13	Surfshark Antivirus VPN + antivirus in one affordable package 999 devices	CHF 59.90 CHF 119.90	8.8	9.0	Win Mac And	Details
14	F-Secure Finnish privacy champion for families 5 devices	CHF 59.90 CHF 89.90	9.4	9.0	Win Mac And iOS	Details
15	Avira German quality with a strong free version 5 devices	CHF 59.90 CHF 99.90	9.2	9.1	Win Mac And iOS	Details

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Antivirus for Windows – frequently asked questions

Is Windows Defender enough for Windows 11 in 2026?

For cautious users on an up-to-date system with 2FA: yes, in many cases. AV-TEST gives Defender good marks now. Power users with banking, crypto or many software sources should add a suite with web filter and ransomware module.

Which antivirus suite is best for Windows 11?

Bitdefender Total Security and Norton 360 lead the AV-TEST rankings for Windows 11 24H2 with top protection and acceptable performance. For older PCs, ESET and Kaspersky are lighter.

How do I enable/disable Windows Defender?

Defender disables itself automatically as soon as a compatible third-party suite is installed. Manual disable via Windows Security → Virus & threat protection → Manage settings.

Are antivirus suites still relevant on Windows 11?

Yes, especially for web filter, ransomware protection, banking-browser isolation and phishing detection. Pure "virus scanners" barely exist anymore – modern suites are multi-layered security packages.

What to look for in Windows antivirus in 2026?

Real-time protection, ransomware module, web/phishing filter, low system impact (especially on SSD writes), transparent renewal pricing, and Swiss-data-protection compliance.