مکینتاش ) I gained an unsupported working system concept: If you bought an unsupported operating procedure mistake message you could be making an attempt to install Microsoft 365 or Office on an unsupported product including setting up the Mac version of Microsoft 365 Office on the Computer system or https://microsoftoffice87318.bloguetechno.com/the-fact-about-microsoft-office-license-that-no-one-is-suggesting-65781426