Features new to Windows 8
new features added to Windows 8

The transition from Windows 7 to Windows 8 introduced a number of new features across various aspects of the operating system. These include a greater focus on optimizing the operating system for touchscreen-based devices (such as tablets) and cloud computing.
Development platform
Language and standards support
Windows 8 introduces the new Windows Runtime (WinRT) platform, which can be used to create a new type of application officially known as Windows Store apps and commonly called Metro-style apps. Such apps run within a secure sandbox and share data with other apps through common APIs. WinRT, being a COM-based API, allows for the use of various programming languages to code apps, including C++, C++/CX, C#, Visual Basic .NET, or HTML5 and JavaScript. Metro-style apps are packaged and distributed via APPX, a new file format for package management. Unlike desktop applications, Metro-style apps can be sideloaded, subject to licensing conditions. Windows 8.1 Update allows for sideloading apps on all Windows 8.1 Pro devices joined to an Active Directory domain.
In Windows 8 up to two apps may snap to the side of a widescreen display to allow multi-tasking, forming a sidebar that separates the apps. In Windows 8.1, apps can continually be resized to the desired width.
The public source identifies “Features new to Windows 8” as new features added to Windows 8. This brief keeps that definition visible, then builds a research path around Features, Windows and features.
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This entry incorporates text from “Features new to Windows 8” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.