Claude Desktop Is Now on Linux: Install the Full Dev Environment on Ubuntu or Debian in 3 Commands

Anthropic's official apt repository brings the full Claude Desktop — Claude Code, Cowork, Chat, parallel sessions, visual diff review, and live app preview — to Ubuntu 22.04+ and Debian 12+ on x86_64 and arm64.

As of late June 2026, Anthropic ships an official .deb package at downloads.claude.ai/claude-desktop. This isn't a community repackage — it's the signed official release with an apt repository so updates arrive through apt upgrade.

Install in 3 steps

# 1. Add Anthropic's signing key
sudo curl -fsSLo /usr/share/keyrings/claude-desktop-archive-keyring.asc \
  https://downloads.claude.ai/claude-desktop/key.asc

# 2. Register the repository
echo "deb [arch=amd64,arm64 signed-by=/usr/share/keyrings/claude-desktop-archive-keyring.asc] \
  https://downloads.claude.ai/claude-desktop/apt/stable stable main" \
  | sudo tee /etc/apt/sources.list.d/claude-desktop.list

# 3. Install
sudo apt update && sudo apt install claude-desktop

Then run claude-desktop or open it from your application launcher. Sign in with your claude.ai subscription or org SSO. The CLI (claude) still works for API-key auth and headless use.

What you get

• Parallel Claude Code sessions in a dedicated workspace
• Visual diff review — approve file changes before they land
• Integrated terminal and editor, live app preview
• Claude Cowork and Chat in the same app — same feature parity as macOS/Windows

What's missing from the beta

• Computer Use (app/screen control) — coming in a future release
• Voice dictation — use claude --voice in the CLI instead
• Quick Entry global hotkey — works on X11; Wayland requires the GlobalShortcuts portal
• Fedora/RHEL — Debian-based distributions only for now

Updates arrive through your regular sudo apt upgrade — no manual download.

To verify the signing key fingerprint before trusting it:

gpg --show-keys /usr/share/keyrings/claude-desktop-archive-keyring.asc
# Should print: 31DD DE24 DDFA B679 F42D 7BD2 BAA9 29FF 1A7E CACE

Sources: Claude Desktop on Linux — code.claude.com · OMG! Ubuntu coverage