Hi,
Not sure why you would want to download that by hand, isn't it already installed?
Anyways, normally it gets downloaded by VMware Workstation from here:
CDS Repository - cds/vmw-desktop/ws/12.0.1/3160714
(that's assuming you are on 12.0.1, navigate up if you are on an earlier version)
You need to perform a few things by hand there, like untarring and executing an executable to get the .iso files installed.
You could also opt to use VMware Tools 10, see here:
VMware Tools 10.0.0 Released - VMware Blogs
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Wil