Muna 1975, muAlbuquerque, New Mexico, Allen naGates vakatanga kushambadzira muturikiri wemutauro wekuronga BASIC. Allen akauya nezita rekutanga re "Micro-Soft" (musanganiswa we "microcomputer" uye "software"), zvinoenderana ne 1995 Fortune magazini chinyorwa. Muna 1980, mushure mekunge Microsoft yazvipira kuendesa IBM diski inoshanda sisitimu (DOS) yeiyo yekutanga IBM PC, kunyangwe ivo vanga vasati vagadzira imwe, Allen akatungamira chibvumirano cheMicrosoft kutenga QDOS (Kurumidza uye Yakasviba Inoshanda Sisitimu), yakanyorwa naTim Paterson, uyo, panguva iyoyo, aishanda kuSeattle Computer Zvigadzirwa. Nekuda kwekutengeserana uku, Microsoft yakakwanisa kuwana chibvumirano chekupa DOS iyo yaizopedzisira yafamba pamutsara weIBM PC. Chibvumirano ichi chakaratidza kuve chinogadzirisa mvura munhoroondo yeMicrosoft iyo yakatungamira kuAllen naGates.
Microsoft