N'ihe dị ka ọnwa iri na isii mgbe a tọhapụsịrị mbipute 2.0, Microsoft hapụrụ mbipute 3.0 ma wepụta Microsoft Security Essentials 4.0. Mmemme beta ọha na eze malitere na November 18, 2011, mgbe Microsoft zipụrụ akwụkwọ ịkpọ oku na ndị nwere ike ịbanye na-ekwuputaghị nọmba mbipute. E wepụtara mbipute beta mbụ na November 29, 2011, na njedebe ikpeazụ na 24 Eprel 2012. Microsoft mechara malite usoro mmemme nke na-enye ndị ọrụ afọ ofufo na beta kachasị ọhụrụ ma nabata nzaghachi. Ajụjụ: Gịnị bụ atụmatụ nke usoro mmemme ahụ?
na-enye ndị ọrụ afọ ofufo ụdị beta kachasị ọhụrụ ma na-anabata nzaghachi.