Knowledge base
Guides and explanations about Kaspersky licences, protection and online threats. We write about what our customers ask most often – no advertising and no technical jargon.
Free antivirus: where the limits lieIs there a free antivirus for your PC and phone that really protects you? What Windows and Android already include, where the…ReadTwo-factor authentication: why a password alone is no longer enoughYour password leaks and the account is wide open. How a second verification step works, what to choose instead of SMS and…ReadPricey in-app subscriptions: how fleeceware worksA calculator for €9.99 a week. How fleeceware apps work, how to spot a subscription in time and how to cancel it…ReadWorking from home and video calls: what to protectWhen you work from home, the office security stays at the office. What to sort out on your router, computer and video…ReadBlack Friday and Christmas shopping: how not to get scammedPhishing emails multiply in the run-up to the holidays. Signs that an online shop is fake, and what to do if you…ReadDating apps: how to avoid scammersFake profiles, "investments" and requests to send money. How to spot a scammer on a dating app before the conversation ever turns…ReadTelegram privacy settings: seven things worth changingTelegram's default settings reveal more than you think: your number, last seen and photo. Seven changes you can make in five minutes.ReadPasswords: why your browser isn't a safe place to keep themPasswords saved in your browser are only safe while the computer is yours alone. Where the limit lies, what malware does and…ReadWhat to do if your computer is already infectedSigns your computer is infected, the first steps in the right order, and the most common mistake: a hasty reinstall that doesn't…ReadRansomware: what a business should doWhat happens in the first hours after encryption, what never to do, and the four measures that genuinely reduce ransomware risk for…ReadHow many devices does a family need?The most common mistake is counting only computers. A simple way to count your devices accurately and not overpay for a family…ReadYour child's phone: what Safe Kids really doesNot a spying tool but a way to agree on rules. What Safe Kids does and doesn't do, and why secretly installing…ReadDo you really need a VPN at home?An honest answer: on your home network, often not. Four situations where a VPN is genuinely worth it – and when paying…ReadPhishing emails: how to spot themSix signs that give a phishing email away in seconds, and what to do straight away if you have already clicked the…ReadHow to move your licence to a new computerYour licence is tied to your account, not your computer. How to move it to a new device in a few minutes…ReadWhy a cheap licence from an online auction may not workSame box, half the price. How these Kaspersky licences differ and why they often won't activate in the EU – plus what…ReadStandard, Plus or Premium – what really sets them apartNot a marketing table but the real differences: what each plan includes, who Standard is enough for and when Premium is worth…ReadHow to renew your licence without losing the remaining daysUnused days don't disappear – they're added to the new period. How to renew your Kaspersky licence early without losing a single…ReadHow to activate a Kaspersky licenceFrom the code in your inbox to working protection: four steps for Windows, macOS, Android and iOS – and what to do…Read
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