The version is specifically engineered to run on older Windows operating systems (such as Windows 95, 98, ME, NT, 2000, XP, and 32-bit versions of Windows 7, 8, and 10) and on processors that do not support 64-bit instruction sets.
One of the biggest advantages of the 32bit version is its incredibly low overhead. Here are the official and practical requirements.
If you have a 64-bit CPU and a modern OS, use the 64-bit version. But if you are troubleshooting a Pentium 4, Core 2 Duo, Atom netbook, or an old industrial PC running Windows XP Embedded, HWiNFO 32bit is your only choice.
The developer, Martin Malík, has stated that HWiNFO32 will continue to receive updates as long as there is a user base. However, some features have been deprecated in the 32bit branch:
HWiNFO (Hardware Information) is a professional hardware information and diagnostic tool developed by Martin Malik. It is designed to support the latest components and industry technologies, but what makes it truly unique is its backward compatibility.
While HWiNFO 32bit is the most comprehensive, there are alternatives. Here is a quick comparison for legacy systems.