Before running any offline installer, validate its integrity. Malware disguised as WMF installers is common on unauthorized download sites.

The installer is provided as a collection of MSU (Microsoft Update) and ZIP files tailored for specific operating systems: : Win7AndW2K8R2-KB3191566-x64.zip (64.9 MB) Win7-KB3191566-x86.zip (42.7 MB) Windows 8.1 / Server 2012 R2 : Win8.1AndW2K12R2-KB3191564-x64.msu (19.0 MB) Win8.1-KB3191564-x86.msu (14.5 MB) Windows Server 2012 : W2K12-KB3191565-x64.msu (20.6 MB) Key Features in WMF 5.1

The official offline installer file name is: WindowsMedia9-KB885464-x86-ENU.exe (Despite the name referencing Media Player 9, this is the correct WMF 5.1 runtime installer for Windows XP/2000/2003.)

Yes. WMF 5.1 includes the PowerShell Integrated Scripting Environment (ISE). However, ISE is deprecated and does not support PowerShell Core.

Before running the offline installer, ensure the following conditions are met: Windows Management Framework 5.1 - Microsoft