Microsoft no longer officially supports Windows 10, so do this if you want to keep using your older PC securely.

Windows 10 is no longer going to receive free security updates in the future, but that doesn't mean you have to update to ...

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 ...

The just-released beta of Microsoft Security Essentials is a solid, free tool that protects against malware while taking up few system resources and staying out of your way as much as possible. This ...