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Which end you install on decides what you get.

One package is both the controller and the host. But only two platforms can act as a host today, macOS and Windows, and they differ a great deal — so be clear about which machine this is going on.

The three platforms with a released build

iPadOS / iOS
TestFlight only; there is no public build. It works as a controller, not as a host. Contact sales if you need an invitation.
Linux
No Linux build exists, for either the controller or the host. The Linux host is not yet available; it is planned to ship with the 4.2.0 move of the host to a system service. There is still no Linux controller.

One package, two roles.

The package contains both the controller interface and the host program. After installing, you decide which role this machine plays — or run both.

Controller — the machine you sit at
macOS, Windows, Android and iPadOS all work. On this end the private key is sealed by the device's hardware security module (Secure Enclave, TPM, or StrongBox — the TEE on Android devices without StrongBox) and can only be unsealed on that device.
Host — the machine you reach
macOS and Windows only, for now. The Linux host is not yet available; it is planned to ship with the 4.2.0 move of the host to a system service. Android and iOS cannot act as hosts.

Where this one ends

The two hosts differ sharply. macOS is the only fully-featured one. A Windows host encodes in software and has no audio, no clipboard and no file transfer. If the machine you need to reach runs Windows, read the table before downloading.

The capability table, line by line

Before you run it, confirm it is the file we published.

Every release ships a SHA256SUMS manifest listing bare filenames. Put the installer and the manifest for the same version in one directory, then run:

shasum -a 256 -c SHA256SUMS-v4.1.36.txt

A matching hash means the file matches the manifest. It does not on its own establish who built it — check the signature as well. The macOS and Windows signature steps are on the verification page, each one copyable.

The full verification steps, all three platforms

System requirements

macOSmacOS 12+ (Monterey or later)
WindowsWindows 10 64-bit or later
AndroidAndroid 8.0 or later, arm64
Memory4GB RAM minimum, 8GB recommended
Storage500MB disk space