Your Mac settings may prevent you from installing apps that do not come from the Mac App Store.
Ààtò Mac rẹ ledí ọ lọ́wọ́ láti ṣàgbékalẹ̀ àwọn ìṣàfilólẹ̀ tí kò wá láti Ibi Ìpamọ́ Ìṣàfilọ́lẹ̀ Mac.