Download WinPcap for Windows

The latest stable WinPcap version is 4.1.2

At the moment there is no development version of WinPcap. For the list of changes, refer to the changelog.

Version 4.1.2 Installer for Windows

Driver +DLLs

Supported platforms:

  • Windows NT4/2000
  • Windows XP/2003/Vista/2008/Win7/2008R2 (x86 and x64)

MD5 Checksum: 929b7d846b635959201e30b57190284a
SHA1 Checksum: 5bbdce5c2ad5423ba023b1272301a7fb49279b16

This executable file installs WinPcap on your machine.


  1. Download and run the executable
  2. Follow the instructions on the screen. The installation applet will automatically detect the operating system and install the correct drivers
  3. The WinPcap-based applications are now ready to work
  4. To remove WinPcap from the system, go to the Control Panel, click on "Add/Remove programs" and then select "WinPcap"


Starting from WinPcap 4.0beta3, support for the Windows 9x/ME family of operating systems has been dropped. The last builds supporting such OSes are WinPcap 3.1 and WinPcap 4.0beta2, both available in the archive.

Older Versions of WinPcap

Older versions of WinPcap are still available in the archive.

Download WinPcap for Windows CE

Download the source code of a Windows CE version of WinPcap.


  • This is an experimental version, we don't guarantee it will work correctly in any situation.
  • At the moment only source code is provided. You will have to compile it on your own.
  • We didn't develop this code, so we don't provide any support for it.
  • This version might not be aligned with the latest version of WinPcap.

The CE version was tested successfully (not by us) on Compaq Pocket PC and HP Jornada.

Known Limitations:

  1. The driver can be used to open only one adapter that is present in the system. not more than one adapter can be opened at any given point of time. Also, only one instance of the adapter can be opened.
  2. Statistics mode is not present.
  3. Only one request at a time is supported, requests are not queued.
  4. It works on Windows CE 3.0. may work on CE 2.x also but it was never tested.
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Last modified: Friday, July 2, 2010 10:04