Price: Free (built into Windows 10 and 11)
The common perception is that paid security products from third parties must be more effective than any security built into an operating system like Windows. That may have been true in the past. But over the years, Microsoft has beefed up the security features that come with Windows. Beyond just basic antivirus protection, Windows 10 and 11 both include a healthy line-up of other tools designed to protect your PC, your files, and your online activity from malicious threats.
