Antivirus guides
Short guides based on public lab tests and official prices. No made-up scores.
The best antivirus in 2026: tested protection, price and devicesAV-Comparatives results (Feb–May 2026) and official prices for Bitdefender, Kaspersky, Norton, ESET, Avast and others, in a single table.Is Microsoft Defender enough? Free vs. paid antivirusHow well Microsoft Defender, built into Windows, protects compared with paid antivirus in the AV-Comparatives 2026 test, and when a subscription is worth it.Antivirus renewal prices: what you pay from year twoFirst-year price vs. renewal price for Norton, Kaspersky, Avast, AVG, McAfee, Avira and F-Secure, from the official pages.The cheapest antivirus in 2026: official prices and cost per deviceAntivirus products sorted by first-year price, with the cost per device and the renewal price, from the official pages.Bitdefender vs Kaspersky: protection, price and renewalBitdefender or Kaspersky? The AV-Comparatives 2026 result, first-year price, renewal, devices and what each includes.Bitdefender vs Norton 360: protection, price and renewalBitdefender or Norton 360? The AV-Comparatives 2026 result, first-year price, renewal, devices and what each includes.Bitdefender vs ESET HOME Security: protection, price and renewalBitdefender or ESET HOME Security? The AV-Comparatives 2026 result, first-year price, renewal, devices and what each includes.ESET HOME Security vs Kaspersky: protection, price and renewalESET HOME Security or Kaspersky? The AV-Comparatives 2026 result, first-year price, renewal, devices and what each includes.Norton 360 vs McAfee Total Protection: protection, price and renewalNorton 360 or McAfee Total Protection? The AV-Comparatives 2026 result, first-year price, renewal, devices and what each includes.Avast Premium Security vs AVG Internet Security: protection, price and renewalAvast Premium Security or AVG Internet Security? The AV-Comparatives 2026 result, first-year price, renewal, devices and what each includes.