Microsoft Plus, stylized as Microsoft Plus !, was a commercial operating system enhancement product by Microsoft The last edition is the Plus! SuperPack, which includes an assortment of screensavers, themes, and games, as well as multimedia applications. The Microsoft Plus! product was first announced on January 31, 1994 under the internal codename " Frosting ". The first one was an enhancement for Windows 95, Windows 95 Plus!.