The safest way to get the installer is directly from Microsoft’s official servers. Avoid third-party "cracked" sites, as these often contain malware.
If you've purchased Office 2016 or have a subscription to Microsoft 365, you can download it directly from Microsoft's official website: office 2016 download
Figure 1 Anorthite parallel projection.
Office 2016 Better Download <2026>
Installation instructions available for Windows and MacOSX.