The official link for the Windows 8.1 and Windows Server 2012 R2 privacy statement regarding installation features is http://go.microsoft.com/fwlink/?LinkId=280262.
For Server Installation: If you must install Server 2012 R2 for legacy application testing in a closed environment:
Internet Explorer Protections: Controls for "Do Not Track" requests, SmartScreen Filter (which checks URLs against a list of known malicious sites), and Flip Ahead with Page Prediction. The official link for the Windows 8
The Windows 8.1 and Windows Server 2012 R2 Privacy Statement for Installation Features provides critical information regarding data collection during the initial setup of these operating systems.
The statement specifically explains data collection for features you encounter during the setup process: The official link for the Windows 8
If you want, I can:
According to Microsoft’s own documentation (linked via the key LinkId=314389), the full privacy statement is embedded in the following locations: The official link for the Windows 8
This link addresses the implementation of the European Union’s data protection directives as they applied to Windows 8.1 and Windows Server 2012 R2 during their mainstream support period.
Privacy note: Choosing “Customize” allows you to disable each of these individually before the OOBE (Out-of-Box Experience) completes.