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.

PCWorld outlines four essential security upgrades for new PCs: verifying Windows encryption settings, optimizing antivirus configurations, enabling biometric login, and setting up dedicated password ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Credit: Mashable So, you want your PC to ...