WoW64
Subsystem for 64-bit Windows for running 32-bit Windows programs / From Wikipedia, the free encyclopedia
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In computing on Microsoft platforms, WoW64 (Windows 32-bit on Windows 64-bit) is a subsystem of the Windows operating system capable of running 32-bit applications on 64-bit Windows.[1] It is included in all 64-bit versions of Windows, except in Windows Server Server Core where it is an optional component, and Windows Nano Server where it is not included.[lower-alpha 1] WoW64 aims to take care of many of the differences between 32-bit Windows and 64-bit Windows, particularly involving structural changes to Windows itself.
This article needs additional citations for verification. (May 2013) |
This article is missing information about x64 on ARM64; ARM64EC ABI (formerly ARM64X) with 1:1 register mapping to x64 calling convention. (June 2021) |
Quick Facts Other names, Developer(s) ...
Other names | Windows 32-bit on Windows 64-bit |
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Developer(s) | Microsoft |
Initial release | October 25, 2001; 22 years ago (2001-10-25) |
Operating system | Microsoft Windows |
Platform | IA-64, x86-64, ARM64 |
Type | Compatibility layer |
License | Proprietary commercial software |
Website | docs |
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