Wintun – Layer 3 TUN Driver for Windows

Wintun is a very simple and minimal TUN driver for the Windows kernel, which provides userspace programs with a simple network adapter for reading and writing packets. Due to Microsoft’s driver signing requirements, we also offer precompiled and signed versions, and ways of including it in Windows installers. A prebuilt and signed version of Wintun is available for download alongside a detached PGP signature using .

Source: www.wintun.net