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System Requirements

Note: To use Tunnelblick you need access to a VPN server — your computer is one end of the tunnel and the VPN server is the other end. See Getting VPN Service for details.

Tunnelblick comes as a ready-to-use application with all necessary binaries and drivers (including OpenVPN and tun/tap). No additional installation is necessary — just add your configuration and encryption information.

Tunnelblick 3.6 runs on OS X 10.7 through macOS 10.12 ("Lion", "Mountain Lion", "Mavericks", "Yosemite", "El Capitan", and "Sierra").
Tunnelblick 3.5 runs on OS X 10.5 through 10.11 ("Leopard", "Snow Leopard", "Lion", "Mountain Lion", "Mavericks", "Yosemite", and "El Capitan").

Tunnelblick 3.4 runs on OS X 10.4 through 10.9 ("Tiger", "Leopard", "Snow Leopard", "Lion", "Mountain Lion", and "Mavericks").

Tunnelblick 3.3 runs on OS X 10.4 through 10.8 ("Tiger", "Leopard", "Snow Leopard", "Lion", and "Mountain Lion").

Tunnelblick 3.2 runs on OS X 10.4 through 10.7 ("Tiger", "Leopard", "Snow Leopard", and "Lion"). It may or may not work for you on OS X 10.8 or 10.9 ("Mountain Lion" or "Mavericks").

Tunnelblick 3.1 and 3.0 run on OS X 10.4 through 10.6 ("Tiger", "Leopard", and "Snow Leopard").

Tunnelblick 2.0.1 runs on OS X 10.3 ("Panther"). PowerPC only

About PPC/Intel compatibility: Tunnelblick 3.6 and higher run on Intel processors only. Tunnelblick 3.0 - 3.5 are Universal applications, so they run on Intel or PPC processors.

About 64-bit compatibility: Tunnelblick 3.6 and higher are 64-bit applications and run on modern versions of macOS. Tunnelblick 3.0 - 3.5 are 32-bit applications, so they run as an application in 32-bit mode on versions of OS X that support it.

Tunnelblick 3.0 - 3.5 include Intel 32/64-bit versions of tun.kext and tap.kext. 32-bit kernels use the 32-bit tun/tap, and 64-bit kernels use the 64-bit tun/tap. Signed and unsigned kexts are included; Tunnelblick uses the signed kexts on OS X 10.9 ("Mavericks"); unsigned kexts are used on earlier versions of OS X.

Tunnelblick 3.0 - 3.5 include 32-bit versions of OpenVPN for PPC, and 32/64-bit versions for Intel.

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