Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi,
Are you trying to install the Office 365 Home version? Here are the official download links of Office 365:
We need to be sure that you're downloading the Setup file from the official download links.
In addition to this, please check if you have a Protection Software, such as antivirus, that may be interfering with the download.
Regards,