Windows XP is a 32-bit operating system and runs 16-bit programs via a bit of a bodge known as Windows NT Virtual DOS Machine support (NTVDM). … You can identify 16-bit programs by right-clicking the exe file and selecting Properties: they don’t have a Version tab.

Is Windows XP Mode 32 or 64-bit?

Windows XP Mode is a full copy of Windows XP Professional 32 bit. There is no guarantee your application will work under Windows XP Mode, its a solution legacy applications.

Is Windows XP a 32-bit?

Determine if Windows XP is 32-bit or 64-bit

Press and hold the Windows key and the Pause key, or open the System icon in the Control Panel. On the General tab of the System Properties window, if it has the text Windows XP, the computer is running the 32-bit version of Windows XP.