[tomwed]

Originally Posted by SFSkol

If you have Windows 8 or 10, Microsoft's free Defender is more than adequate for your anti-virus needs. Combined with Malwarebytes free periodic scans you are protected.

Win 8,10 already have it installed, just turn it on. Search for it, activate.
How to activate Windows Defender in Windows 8 | PCWorld
Free Cyber Security & Anti-Malware Software | Malwarebytes

Is defender the same as microsoft security essentials?