Microsoft finally announced that its new antivirus software, codenamed ‘Morro’, will officially be named “Microsoft Security Essentials” and comes out on June 23 serving Windows end-user for free.

According to Microsoft, Morro will be compatible with Windows XP, Windows Vista, and including Windows 7 operating systems.

The free antivirus service is currently in internal testing within Microsoft and will begin public beta testing onto properly licensed Windows PC in Brazil, Israel and the U.S. followed by China later this summer.

Six months ago, Microsoft announced its plans about the new antivirus saying that it would launch Morro by the end of this year. The company has also said that it will provide protection from several types of malicious software including viruses, spyware, root kits and Trojans.