Windows 11 maintains backward compatibility with 32-bit OCX files via the WoW64 subsystem. As long as the OCX does not call deeply deprecated kernel functions, it should work.
If successful, you will see a message saying "DllRegisterServer in fast2001.ocx succeeded." fast2001.ocx
Copy fast2001.ocx to C:\Windows\SysWOW64 . Step 2: Register the File via Command Prompt Windows 11 maintains backward compatibility with 32-bit OCX
Copying and registering the QlikView OCX component - Qlik Help it should work. If successful
FAST2001.ocx is an ActiveX Control file. In the Windows ecosystem (specifically during the Windows 95/98/XP eras), .ocx files were essentially mini-programs used by larger applications to handle specific tasks—usually user interface elements like buttons, grids, or text boxes.