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punktfunk/docs-site/content/docs/install-client.md
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feat(decky): self-update without the store + Gaming-Mode launch polish, and ship the Steam Deck docs
Plugin self-update (no Decky store): CI publishes a per-channel manifest.json
({version, immutable per-version artifact, sha256}) beside the zip and bakes
update.json {channel, manifest} into the plugin. main.py `check_update` reads the
installed version from package.json (the value Decky reports — not plugin.json),
fetches the channel manifest, and the frontend shows an "Update to vX" button that
drives Decky Loader's own install RPC (root downloads + SHA-256-verifies + hot-reloads).
CI now stamps a plain-numeric semver (0.3.<run> canary / X.Y.Z stable) into
package.json — a -ciN suffix would mis-order under compare-versions.

Linux client: `--fullscreen` (plus SteamDeck/gamescope env fallback) enters GTK
fullscreen on stream start so Gaming-Mode chrome is hidden; native-mode resolution
falls back to the display's first monitor when the window isn't mapped yet (was
dropping to the 1080p floor — wrong on the Deck's 1280×800); add a confirmed
"Remove saved host" action (KnownHosts::remove_by_fp).

Docs: new docs/steam-deck.md (Decky install/pair/stream/self-update/troubleshooting),
wired into meta.json nav, and cross-linked from clients/install-client/channels. This
is the page docs.punktfunk.unom.io/docs/steam-deck — the website's download link
pointed at it before it existed; committing it makes that link resolve.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-28 13:03:44 +00:00

6.7 KiB

title, description
title description
Install a Client Install the punktfunk client for the device you're streaming to — Linux, Steam Deck, Windows, macOS, iOS, or Android.

This page is the install path for each client device. For what each client is and which to pick, see Clients; to install the host, see Install the Host. Whichever client you install, the first connection needs a one-time pairing.

The links below are the stable channel (moves on vX.Y.Z releases). For the latest main build, use the canary channel — TestFlight / Play Internal, the …Canary.flatpakref, or the canary/ download URLs. See Release Channels.

Pick your device

Device Install
Linux desktop / laptop Flatpak (any distro) or native apt/rpm/Arch packages
Steam Deck Decky plugin for Gaming Mode, or Flatpak in Desktop Mode
Windows Signed MSIX from the package registry
macOS Notarized .dmg from the releases page
iPhone / iPad / Apple TV TestFlight beta
Android / Android TV Beta — request access
Anything else (browser, old phone, TV) Moonlight

Linux desktop (Flatpak)

The recommended path on any Flatpak distro — install once, then flatpak update tracks new builds. One command adds the signed unom remote, pulls the GNOME runtime from Flathub automatically, and installs the client:

flatpak install --user https://flatpak.unom.io/io.unom.Punktfunk.flatpakref
flatpak run io.unom.Punktfunk

Updates, from then on:

flatpak update                       # or: flatpak update io.unom.Punktfunk

Prefer your native package manager? The client also ships as real packages (add the repo once — see the linked guide — then it tracks updates with your normal apt upgrade / rpm-ostree upgrade):

Distro Install Guide
Ubuntu / Debian sudo apt install punktfunk-client packaging/debian
Fedora / Bazzite rpm-ostree install punktfunk-client packaging/rpm
Arch / SteamOS punktfunk-client from the PKGBUILD packaging/arch

Then launch it, pick your host from the list, and stream. For scripting, skip the picker:

punktfunk-client --connect <host>:9777

Steam Deck

Most Deck users want Gaming Mode: install the Decky plugin and a punktfunk panel lands in the Quick Access Menu, so you can discover hosts, pair with a PIN, and stream without dropping to the desktop. Follow the Steam Deck (Decky) guide — it walks through Decky Loader, the plugin, and the one-time client install.

The plugin doesn't decode video itself — it launches the Flatpak client below. The Decky guide covers installing both, so start there: a Flatpak on its own won't add the Gaming Mode panel.

For Desktop Mode (or to add the client to Game Mode as a non-Steam app yourself), install the Flatpak exactly as above — it carries its own libadwaita + SDL3 and survives SteamOS updates:

flatpak install --user https://flatpak.unom.io/io.unom.Punktfunk.flatpakref

See packaging/flatpak.

Windows

The Windows client ships as a signed MSIX in the package registry. Builds use a self-signed certificate, so you import that certificate once before Windows will install the package.

  1. Open the packages page (generic group), find punktfunk-client-windows, and download the newest .msix and its matching .cer.

  2. Trust the publisher certificate, then install. The MSIX won't install until the certificate is trusted — but it's the same certificate for every release, so this is genuinely one-time and later updates need nothing. In an admin PowerShell:

    Import-Certificate -FilePath .\punktfunk-client-windows.cer `
      -CertStoreLocation Cert:\LocalMachine\TrustedPeople
    Add-AppxPackage .\punktfunk-client-windows.msix
    

    If Windows reports a missing dependency, install the Windows App Runtime 2.x (the MSIX depends on Microsoft.WindowsAppRuntime.2), then re-run Add-AppxPackage.

  3. Launch Punktfunk from the Start menu and pick your host.

The Windows client's hardware-decode (D3D11VA) and HDR paths are complete but still pending validation on real GPU hardware. If anything misbehaves, Moonlight is a solid alternative for Windows.

macOS

Download the notarized disk image from the releases pagePunktfunk-<version>.dmg. It's Developer-ID signed, notarized, and stapled, so Gatekeeper opens it without warnings:

  1. Open Punktfunk-<version>.dmg and drag Punktfunk to Applications.
  2. Launch it, pick your host from On this network, and pair.

The Mac app is also in the TestFlight beta; the DMG is the no-account path.

iOS, iPadOS, Apple TV

The Apple app is in TestFlight beta — one universal build covers iPhone, iPad, Apple TV, and the Mac. Install Apple's TestFlight app, then join:

Join the punktfunk beta on TestFlight →

Open the app, and your hosts appear automatically under On this network.

Android

The Android client (phone + Android TV) is in Google Play Internal Testing. To try it, request a tester invite on our Discord and we'll add your Google account to the test track:

Request access on Discord →

Once you're added, install it from Google Play, then open the app and pick your host:

Get punktfunk on Google Play → (only resolves once your account is on the tester list)

Anything else — Moonlight

Any device with a Moonlight client (browser, old phone, smart TV) connects over GameStream with no punktfunk-specific software. See Connect with Moonlight.