If Microsoft 365 or Office appears to be getting an extremely very long time to install, this may be attributable to issues with your internet connection, firewall, or anti-virus computer software. For possible methods, see Microsoft 365 or Office is having very long to put in. I'm an Microsoft 365 https://aarondefant.de/microsoft-office-2021-mac-standard-sofort-download-fur-eine-schnelle-und-einfache-installation/