For Windows 11 (which is 64-bit), you must place 32-bit OCX files in the folder, not System32. Path: C:\Windows\SysWOW64
The mswinsck.ocx file is compatible with Windows 11, and it is included in the operating system as a legacy component. However, it's worth noting that modern Windows applications are encouraged to use the Windows Runtime (WinRT) APIs for networking and internet connectivity, rather than the older Winsock APIs. mswinsck ocx windows 11
If you need sockets on Windows 11, use modern replacements: For Windows 11 (which is 64-bit), you must
The file is a Microsoft ActiveX control, specifically the Winsock Control , used by applications developed in older environments like Visual Basic 6.0 (VB6) to provide network communication via TCP or UDP. For Windows 11 (which is 64-bit)