Java Runtime Environment is a free software for launching programs, written on object-oriented programming language Java.
At present, Java technology is used in many devices, including servers, TV-devices, computers, player Blu-Ray discs, office equipment, terminals, webcams, mobile devices. It is required to install JRE addition for Java Runtime Environment, because a number of programs simply won't work without it, for example, online games, websites, services, services.
Microsoft .NET Frameworkis a set of free components and libraries for the implementation of PC programs. A lot of Windows System applications can't work without this platform.
You will be able to create and run client-server applications with a variety of business processes, supporting a secure means of communication and a beautiful user interface. In addition, .NET Framework will enhance the reliability, security and performance of the Windows OS.
DirectXis a free set of libraries for the creation of sound and visual effects in multimedia applications and games.
DirectX is the main part of the operating system. DirectX increases the quality and productivity of the films/games processing that have 3D animation, stereo sound, color graphics and other multimedia elements. Besides, this program increases the security and performance of the operating system.