This article describes some of the compatibility considerations for running 32-bit programs on the 64-bit versions of Windows. You can determine whether a program will have compatibility or performance issues by testing the program on one of the 64-bit versions of Windows.
There may be considerations that affect a program's compatibility or performance. Programs that depend on 16-bit binaries or 32-bit drivers can't run on the 64-bit versions of Windows unless the program manufacturer provides an update for the program. The 64-bit versions of Windows don't provide support for 16-bit binaries or 32-bit drivers. The 64-bit versions of Windows use the Microsoft Windows-32-on-Windows-64 (WOW64) subsystem to run 32-bit programs without modifications. This article discusses the compatibility considerations and limitations for 32-bit programs that are running on 64-bit versions of Windows.Īpplies to: Windows 10 – all editions, Windows Server 2012 R2 Original KB number: 896456 Summary
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