* Microsoft Windows contains application compatibility shims to make the platform compatible with most software from earlier 32-bit and 16-bit versions ( e. g. Civilization ( circa 1991, designed for Windows 3. 0 ) running on Windows Vista ).

EFI booting has been supported in only Microsoft Windows versions supporting GPT, the Linux kernel 2. 6. 1 and later, and Mac OS X on Intel-based Macs.

Some apps such as Microsoft Office are available in versions for several different platforms ; others have narrower requirements and are thus called, for example, a Geography application for Windows or an Android application for education or Linux gaming.

As a 16 bit application, the program will not run natively under 64 bit versions of the Windows operating system.

It has undergone numerous revisions for various platforms ( including Windows, Macintosh, Amiga, Atari ST, PlayStation, N-Gage and Super Nintendo ) and now exists in several versions.

Windows includes similar functionality, so the Cygwin library just needed to provide a POSIX-compatible application programming interface ( API ) and properly translate calls and manage private versions of data, such as file descriptors.

For instance, on newer MS Windows computers, the older FAT-type file systems of MS-DOS and old versions of Windows are supported, in addition to the NTFS file system that is the normal file system for recent versions of Windows.

In Microsoft Office 2007 and later versions, Internet Explorer 7 and later versions and Windows Live Messenger, ClearType is also turned on by default, even if it is not enabled throughout the operating system.

Doom became a " killer app " that all capable consoles and operating systems were expected to have, and versions of Doom have subsequently been released for the following systems: DOS, Microsoft Windows, Linux, Apple Macintosh, Super NES, Sega 32X, Sony PlayStation, Game Boy Advance, iOS, Symbian OS, RISC OS, Atari Jaguar, Sega Saturn, Nintendo 64, Tapwave Zodiac, 3DO, Xbox, and Xbox Live Arcade.

For example, EDLIN in early MS-DOS versions and 32-bit versions of Windows NT has a somewhat similar syntax, and text editors in many MUDs ( LPMud and descendants, for example ) use ed-like syntax.

However, Edlin is included in 32-bit versions of Windows NT, since NTVDM's DOS support is based on MS-DOS version 5. 0.

Opera was somewhat faster, but it was proprietary software distributed in trialware and adware versions, both of which lacked some of the functionality of the Microsoft Windows version.

Newer versions of popular browsers such as Google Chrome, Firefox, Opera, and Internet Explorer on Windows Vista implement the Online Certificate Status Protocol ( OCSP ) to verify that this is not the case.

Modern Windows operating system versions are based on the newer Windows NT kernel that was originally intended for OS / 2.

Later, two new versions were released: Windows / 286 2. 1 and Windows / 386 2. 1.

This disclaimer also appears before the opening of their Sega Genesis and Super NES game as well as their Windows game Beavis and Butt-head in Virtual Stupidity.

The features listed above and growing market support from application software developers made Windows 3. 0 wildly successful, selling around 10 million copies in the two years before the release of version 3. 1.

While most modern IDEs are graphical, IDEs in use before the advent of windowing systems ( such as Microsoft Windows or X Window System ( X11 )) were text-based, using function keys or hotkeys to perform various tasks ( Turbo Pascal is a common example ).

Set in the early 1990s, it captures the state of the technology industry before Windows 95, and predicts the dot-com bubble of the late 1990s.

Sibelius, originally created for RISC-based Acorn computers, was so well-regarded that, before Windows and Macintosh versions were available, composers would purchase Acorns for the sole purpose of using Sibelius.

This led to the traditional driver-in-the-kernel style of Unix, Linux, and Windows before Windows XP.

As a result of the dispute, IBM signed the license agreement 15 minutes before Microsoft's Windows 95 launch event, which was later than their competitors and this badly hurt sales of IBM PCs.

Warez is used most commonly as a noun: " My neighbour downloaded 10 gigabytes of warez yesterday "; but has also been used as a verb: " The new Windows was warezed a month before the company officially released it ".

Three days before this event, which Microsoft advertised as " a standard in reliability ," a leaked memo from Microsoft reported on by Mary Jo Foley revealed that Windows 2000 had " over 63, 000 potential known defects.

On or shortly before February 12, 2004, " portions of the Microsoft Windows 2000 and Windows NT 4. 0 source code were illegally made available on the Internet.

The Unix version of Mosaic was already making it famous before the Windows and Mac versions came out.

Version 9 was the final version of Windows Media Player to be released for Mac OS X before development was cancelled by Microsoft.

Meant as a step up from the popular 4-track cassette-based studios, these recorders enjoyed a brief prominence before they were replaced by relatively affordable -- and far more flexible -- direct-to-hard drive recording on Windows and Macintosh based computers.

In versions before Windows Vista, if the user pushes the combination of Ctrl + Shift + F10 at any time during the game, the user will be presented with a tool used by the developers during testing.

Despite being discontinued before Windows 98 was released, Microsoft Bob continued to be severely criticized in reviews and popular media.

The first FTP client applications were command-line applications developed before operating systems had graphical user interfaces, and are still shipped with most Windows, Unix, and Linux operating systems.

While Win32 was originally introduced with Windows NT 3. 1 and Win32s allowed usage of a Win32 subset before Windows 95, it was not until Windows 95 that widespread porting of applications to Win32 began.

* ASUS uses FreeDOS to let users boot their motherboard driver CDs to create the SATA device driver disk ( needed for Windows versions before XP SP2 ).

Dell attained and maintained the # 1 rating in PC reliability and customer service / technical support, according to Consumer Reports, year after year, during the mid-to-late 90s through 2001 right before Windows XP was released.

Paradox for Windows shared this feature, and it was shown off by Phillipe Kahn at a Paradox user conference over a year before QPW was released.

** With the introduction of Windows 7 ( Business, Ultimate, or Enterprise editions ), Windows XP Mode enables full compatibility with older programs supported under Windows XP via Microsoft Virtual PC.

* Enabling International Support in Windows XP / Server 2003 Family, a Microsoft tutorial on how to install input methods on Windows XP.

Context menus in Windows XP are customizable by third-party software.

For example, Windows XP does this when sorting file names.

ClearType was later introduced as an operating system feature in Windows XP, where it was kept turned off by default.

ClearType in Windows XP currently supports the RGB and BGR sub pixel structures.

The best option for users of Windows XP having rotated LCD displays ( Tablet PCs or swivel-stand LCD displays ) is using regular anti-aliasing, or switching off font-smoothing altogether.

Duke Nukem 3D has been ported to run on modern Microsoft Windows variants including Windows XP and Windows 7.

FCPLib supports Windows NT / 2K / XP, Debian, BSD, Solaris, and Mac OS X.

In hindsight, Cairo was a much more difficult project than Microsoft had anticipated and, as a result, NT and Chicago would not be unified until Windows XP — albeit Windows 2000, oriented to business, had already unified most of the system ’ s bolts and gears, it was XP that was sold to home consumers like Windows 95 and came to be viewed as the final unified OS.