After the first billing period - typically a year or two, depending on the plan you purchase - the amount you pay for the service may increase substantially. Note: The pricing structure for antivirus services can be complicated, since providers often offer low introductory prices to entice you to sign up for their services.

Windows-targeted malware has a larger base of devices to infect, giving it more potential in the eyes of cybercriminals, so all our antivirus picks work on Windows. Windows devices make up three out of every four laptop or desktop operating systems, according to the latest data from Statcounter.

It's all too easy for a hacker to access your personal information, and that's why you should always invest in protection. It's so important to regularly check your computer's health to save yourself from headaches in the future, whether they be from scammers or your computer just not working as it should. No matter how good you think your computer is, it can still be susceptible to viruses and malware without the best antivirus software running.

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