What is the most secure way to login to Windows 10?

The best security feature of a Windows 10 PIN is that it applies only to one device; it’s only used on your computer, and never passed to Microsoft’s servers. Thus, if you set a PIN on your home PC and someone stole it, they couldn’t access your account unless they had physical access to your device.

Does Windows 10 come with security?

Windows Security is built-in to Windows 10 and includes an antirvirus program called Microsoft Defender Antivirus. (In previous versions of Windows 10, Windows Security is called Windows Defender Security Center).