Why? Because malware authors love this file.
If your Windows XP installation is so damaged that explorer.exe is unrecoverable, or if you simply want a modern feel on an old OS, you might consider replacing the Windows Shell Windows Xp 32 Bit Explorer Exe Download
Downloading a standalone explorer.exe file from unofficial websites is not recommended , as these files are often bundled with malware or viruses Windows Xp 32 Bit Explorer Exe Download
You can find collections of original Windows XP system files on the Internet Archive. Windows Xp 32 Bit Explorer Exe Download