Microsoft Security Essentials

Microsoft Security Essentials was a free antivirus software developed by Microsoft for Windows operating systems. It provided real-time protection against malware, including viruses, spyware, and other malicious software. The product was designed to be lightweight and run quietly in the background, offering users essential security features without significant system impact. Microsoft Security Essentials was available for Windows XP, Vista, and 7, and was discontinued in 2014, with users encouraged to upgrade to Windows Defender or other security solutions. The software was developed and maintained by Microsoft Corporation, a leading technology company based in the United States, known for its comprehensive suite of software products and services.