: Obtain the executable from the official Microsoft Download Center.
Microsoft does not distribute its commercial software via open HTTP directory listings. Official downloads are provided through: index of ms office 2019 64 bit link
: If you have a new product key, you must first redeem it at setup.office.com to link it to your account before downloading Microsoft Support Installation Files Index : Obtain the executable from the official Microsoft
If you need a volume-licensed, offline installer for deployment, businesses can access via the Microsoft Volume Licensing Service Center (VLSC) – not public indexes. offline installer for deployment