During installation, you may be asked to enable error reporting. WER collects data about crashes and problems and sends it to Microsoft to improve stability. While useful, this data can technically include system information.

For Windows 8.1 Pro/Ent and Server 2012 R2, the Group Policy Editor ( gpedit.msc ) is the most powerful feature for privacy.

End-users also have a degree of control over their privacy. Administrators should educate users on these options, especially on client machines.

Computer Configuration \ Administrative Templates \ System \ Internet Communication Management \ Internet Communication settings Turn off Windows Error Reporting

If you choose to sign in to Windows with a Microsoft account during setup, the operating system will sync your settings across devices and automatically sign you into some apps and websites.

: Required to ensure a licensed copy of the software is being used.

Initial handshake data and system profile details may transfer before secure enterprise proxy rules apply.

For organizations with stringent security or regulatory requirements (such as GDPR), more advanced measures are necessary.

To adjust:

: Users can choose whether the setup process automatically downloads the latest updates, drivers, and compatibility fixes during installation. Installation Improvement Program

To enforce strict data privacy boundaries during OS provisioning, administrators must implement infrastructure controls during the design phase. Implement Volume Activation Services

Product activation is a mandatory feature designed to reduce software piracy and help ensure customers are running genuine Microsoft software.