The open() method opens a new browser window. Window.open() specifies the URL of the page to open. If no URL is specified, a new window with about:blank is opened.

A personal computer operating system from Microsoft that, together with some commonly used business applications such as Microsoft Word and Excel, has become a de facto "standard" for individual users in most corporations as well as in most homes.

Windows 10, is the new operating system developed by Microsoft and is part of the Windows NT family. It has been built with the objective of unifying the Personal Computer, Phone, Embedded, Xbox One, surface Hub and HoloLens over a common internal core. All the above product families and product categories share "Windows Apps" as a common application architecture and ecosystem. Additionally Windows 10 provides integration of Cortana, an intelligent personal assistant and a notification system that can be synchronoized between devices.

The Windows 2000 server family consists of Windows 2000 Server, Windows 2000 Advanced Server, and Windows 2000 Datacenter Server. The noted services and features built with Windows 2000 server are Routing and Remote Access Service (RRAS) support,Remote Access Policies for setup, verify Caller ID (IP address for VPNs), callback and Remote access account lockout, Extensible Authentication Protocol support, Smart card support, Support for distributed file systems etc.

The Microsoft Windows operating system released commercially in October 2009. It is built on the Vista kernel. The biggest changes between Vista and Windows 7 are faster boot times, new user interfaces, and the addition of Internet Explorer 8. 

A Microsoft operating system (OS) that is based on the Metro design language, which facilitates a UI (user interface) similar to the ones found in mobile phones. Windows 8 will be available in Microsoft's forthcoming Surface line of tablet computers.

A software application developed for use on devices powered by Microsoft's Windows platform. 

A program from Nullsoft that allows PC users to play audio files, particularly music, in many (but not all) popular digital audio formats, including MS-Audio, WAV, and MP3.

The part of the Windows Azure platform that monitors and manages servers and coordinates resources for software applications. It functions as the kernel of the Azure operating system.

The identity management component in Microsoft's upcoming .NET 3.0. With CardSpace, end users create a digital file on their own computer that includes user-specific information, like a work phone number, e-mail address or snail mail address.

Windows CE is based on the Microsoft Windows operating system but is designed for including or embedding in mobile and other space-constrained devices. 

Microsoft's programming model for using managed code to build unified Web services and other distributed systems that can talk to each other. WCF focuses on connecting XML to programs that are built using development languages supported by Microsoft.

Windows Deployment Services, the successor to Remote Installation Services, is a server technology of Microsoft for network-based installation (or remotely deploying) of Windows operating systems( like Vista, Windows 7, Windows 8, Windows Server 2008, and Windows Server 2012). WDS uses disk imaging, in particular the Windows Imaging Format (WIM).

Windows Embedded 8 is an operating system for embedded systems from Windows Embedded family of operating systems. It is a componentized version of Windows RT with additional technologies that adapt Windows for use in and on specialized devices (Some of them are Bluebird BM180 and Panasonic Toughpad FZ-E1). It helps companies extend their operational intelligence, using their existing IT infrastructure and industry devices that securely exchange data with back-end systems. It offers same rich, multi-touch experience as Windows 8 and Windows Phone 8.1, Windows Embedded 8.1 to deliver compelling user experiences on a range of industry devices.

A programming model that lets developers exchange data across applications and organize data in more constructive ways. 

Windows Forms (WinForms) is a graphical (GUI) class library included as a part of Microsoft .NET Framework. It provides access to native Windows User Interface Common Controls by wrapping the extant Windows API in managed code.