This Microsoft antivirus for windows 10 program filters for various kinds of dangers, including infections, spyware, worms, Trojans and rootkits among others.. The Microsoft security essentials for windows xp can not just recognize malevolent programming that is endeavoring to invade your information, yet in addition square them by actuating or expanding the firewall mode (while associated. Dec 11, · Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured /10(). Windows Defender is built into the latest versions of Windows and helps guard your PC against viruses and other malware. For a PC running an older version of Windows 7, you can download Microsoft Security Essentials for the low, low price of free. What's included. Microsoft Security Essentials is an antivirus software product that provides protection against different types of malicious software such as computer viruses, spyware, rootkits and Trojan horses Before version , MSE ran on Windows XP, Windows Vista and Windows 7, but not on Windows 8 and later, which have built-in AV components/5(). Dec 22, · The bottom line: Microsoft Security Essentials, an antivirus program created by Microsoft, will protect you, and it will generally do it well. However, its impact on system performance could be Subcategory: Antivirus Software.