Windows 7 worked on Windows 7. These were broadly divided into "core operating system" and "Windows client experience", in turn organized into 25 teams of around 40 developers on average. In October 2008, it was announced that Windows 7 would also be the official name of the operating system. There has been some confusion over naming the product Windows 7, while versioning it as 6.1 to indicate its similar build to Vista and increase compatibility with applications that only check major version numbers, similar to Windows 2000 and Windows XP both having 5.x version numbers. The first external release to select Microsoft
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.