Pane ino nguva isu tichaenda kuzvitsaurira isu kutaura nezvenhoroondo ye Mac OS anoshanda masystem. Iyo yekutanga vhezheni ye Mac OsSisitimu 1 yaive nedesktop, windows, maikoni, mbeva, mamenu, uye scrollbar. Nguva yega yega komputa payakatangwazve, ruzivo rwese rwakanyangarika. Uye zvakare, iwe haugone kushanda mumaapplication maviri panguva imwe chete nekuti pakanga pasina virtual memory. Izvo zvaive zvisingaite kugadzira dhairekita mukati meimwe dhairekitori, nekuti mafaera ese akange akachengetwa munzira imwechete pane diski.
Chete muna 1988, neSystem 6, mavara akawedzerwa. Bhatani rakawedzerwa kune "Erase Disk" sarudzo yekudzima chiito ichi, sarudzo yekuratidza nhamba yefaira yefaira yakawedzerwa.
Makore maviri gare gare, muna1990, System 7 yaireva shanduko huru yesoftware panguva ino, sezvo ndangariro dzakavandudza kugona kwayo kusvika 32b, izvo zvakatendera maMac kushandisa zvinopfuura 8 MB yeRam mune yekushandisa system.
Yegumi uye yekupedzisira vhezheni yeApple's operating system ndiyo Mac Os X, iyo yakaburitswa muna 2002. Zvakakodzera kutaura kuti iyi sisitimu yekushandisa yakavakirwa paUNIX. Izvo zvakakosha kuti uzive kuti iyi vhezheni yakaunza akasiyana emabasa matsva ekupa vashandisi vayo chikuva chinoshanda uye chakatsiga kupfuura iyo yapfuura vhezheni (Mac OS 9). Pakati pavo tinogona kutaura zvinodzivirira multitasking uye kuchengetedzwa ndangariro, izvo pasina mubvunzo zvakavandudza kugona kwesisitimu kumhanyisa akasiyana mafomu panguva imwe chete.