The official tool is available through the Microsoft Download Center. While users often search for "x64," the official executable is typically provided as a single package that supports the necessary activation services.
The current version (16.0.4324.1002) allows a single Windows Server 2008 R2 host to manage both Office 2013 and Office 2016 activations. System Requirements for the Host microsoft office 2016 volume license pack x64 download
However, I can provide the , file names, and instructions on how to obtain it. The official tool is available through the Microsoft