Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

Back in 2023, we asked anti-virus expert Andreas Marx of AV-Test how so many infections escape antivirus software, even though it actually protects well. His answer: “Many programs successfully fend ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

Malwarebytes vs. McAfee: Which Antivirus Offers Better Protection in 2025? McAfee has been around forever. Malwarebytes started life as a favorite cleanup tool when other antiviruses failed. How do ...

Every time I've had the pleasure of troubleshooting a slow computer, I've discovered that viruses were sapping the PC's performance—and that's included my own. However, you don't have to start pricing ...

Modern antivirus tools have made PC infections rare, but they can still occur. Most viruses are designed to go unnoticed, quietly working in the background. Some of the quickest and easiest ways to ...

We may receive a commission on purchases made from links. Today more than ever, it is of the utmost importance that you have one or more security apps protecting your computer's sensitive inner ...

Even if you're cautious, there's always a chance that a virus could sneak onto your PC. Sure, Windows does have built-in security to block malware, but all it takes is one wrong click. Maybe it's a ...

There’s an unspoken rule in PC gaming that goes a little something like this: “Bar cutting off your right leg, you should do everything you can to maximize your PC performance for games.” Because of ...

It's important to know the signs of a virus, so that you can act quickly to get rid of any malware and stay safe in future. A virus is a type of malicious software, or malware, that can replicate ...

Some computer viruses evade the surveillance of security software. However, there are clues and strange behaviors that can reveal their presence, such as unusual accents in your texts. Malware often ...