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.
Windows Vista editions edition of Windows Vista to another. However, upgrading from a 32-bit edition to a 64-bit edition or downgrading from 64-bit edition to a 32-bit edition requires a clean install. In addition, not all potential upgrade combinations are supported. The following chart indicates the possible upgrade paths: Notes: Windows Vista editions Windows Vista—a major release of the Microsoft Windows operating system—was available in six different product editions: Starter; Home Basic; Home Premium; Business; Enterprise; and Ultimate. On September 5, 2006, Microsoft announced the USD pricing for editions available through retail channels; the operating system was later made available to retail on