Wikipedia

Windows on Windows

This is an old revision of this page, as edited by 68.39.174.238 (talk) at 02:44, 14 March 2006 (Note: That is a legit edit, despite the "WoW"'s in it). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Windows on Windows, commonly referred to as WOW or WoW, is an abstraction subsystem of Microsoft Windows operating system. Wow is a critical component for backwards compatibility of legacy code as Windows progresses. The first Wow appeared in Windows NT to support applications using the Win16 API and was relying on NTVDM.

Supporting Win32 applications on Windows XP Professional x64 Edition versions of Windows requires a new Wow called WoW64.

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