DVR-MS component introduced in Windows XP Service Pack 1. The DVR feature of Windows XP Media Center Edition, Windows Vista and the Windows 7 version of Windows Media Center create files in this format. If a recorded broadcast is marked as copy protected, the resultant DVR-MS file can only be played back on the recording device. Unprotected DVR-MS files (files not marked in this way) can be played back on any device running Windows XP with Service Pack 1 or later Windows operating systems, hotfix 810243 for Windows XP RTM (which adds DVR-MS support to DirectShow), and on Windows Mobile 6.
Technical features new to Windows Vista firmware technologies such as the Unified Extensible Firmware Interface. The new architecture introduces a firmware-independent data store and is backward compatible with previous versions of the Windows operating system. Windows Vista introduces an improved driver model, Windows Driver Foundation which is an opt-in framework to replace the older Windows Driver Model. It includes: Windows Vista includes the following changes and enhancements in processor power management: Windows Vista is the first client version of Windows to ship with the .NET Framework. Specifically, it includes .NET Framework 2.0 and .NET Framework 3.0 (previously known as WinFX) but not version 1.0 or 1.1.