Microsoft .NET Framework 4.0 or 4.5 (Not 3.5)
Microsoft Office 2010 or Later for Office Toolkit Support
Windows Vista or Later for Windows Toolkit Support Microsoft Toolkit Changelog:
-Activation won't crash if attempting to activate KMS V6 clients (which currently can't be activated).
-EZ-Activator will attempt to install Windows Embedded Volume Keys (such as Windows Thin PC).
-License Backup and Restore supported for Windows 8.1 and Windows Server 2012 R2.
-Updated functionality and inclusion of Windows 8.1 and Windows Server 2012 R2 RTM Keys.
-KMS Server Service will properly use Application Specific KMS PID.
-Fixed crashes on Windows Vista.
-Fixed Windows Version number detection for Windows Vista and Windows 8.1.
-Added Windows 8 Embedded Industry KMS keys.
-Fixed KMS Server Service crash (most common on Windows XP).
-Removed use of embedded KMS Client for boosting KMS Server Client Count on real servers.
-Unified Windows Embedded product key sections.
-Using pure .NET KMS Server for activation.
-Fixed OS Version internationalization bug that would cause OS Detection to fail or trigger an Exception.