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Real product flows for installing Cyer, signing in, updating, and connecting AI you already pay for. Builds are unsigned beta — SmartScreen and Gatekeeper warnings are expected until paid signing is funded.

Cyer download page with Windows and macOS installer options — Start at cyer.app/download — no account required to get the installer.

Getting started

Install once, then use Settings for account and AI.

Windows & Mac

Install & first launch

Download the installer, clear SmartScreen or Gatekeeper, run onboarding, and land on Briefing.

Read guide → Account

Sign in with Google

Optional. Same account for website billing and desktop Settings → Account. Notes stay local.

Read guide → Updates

Download & updates

First install from the download page; later versions via Settings → About → Check for updates.

Read guide → Fixes

Troubleshooting

SmartScreen, macOS quarantine, updater notices, hotkeys, and when to email diagnostics.

Read guide →

Connect your AI

Cyer does not sell AI tokens. Open Settings → Integrations and connect tools you already have — or free local AI.

Cyer Settings Integrations showing Google Calendar, Claude Code CLI, Codex CLI, and Ollama — Settings → Integrations is where Claude, Codex, Ollama, and calendar connect.

Connect Claude Code CLI

Use your Claude Pro account for AI chat inside Cyer. Install the CLI, sign in, and connect.

Read guide → OpenAI

Connect Codex CLI

Use your ChatGPT subscription with OpenAI Codex CLI. Install, sign in, and connect.

Read guide → Free & local

Install Ollama

Optional backup AI that runs on your PC. Good when you are offline or cloud AI is unavailable.

Read guide →

Quick answers

Download is public — no website account required. Sign in later for billing or the same plan on another machine.
Unsigned beta: Windows SmartScreen → More info → Run anyway. Mac Gatekeeper → Open Anyway in Privacy & Security (or clear quarantine).
You do not need a Cyer subscription for AI chat — connect Claude, Codex, or Ollama yourself.
Open Cyer → Settings → Integrations to connect any AI provider. Optional MCP for Claude Desktop is covered in the Claude guide.
Keyboard shortcuts: WinShiftC Ask Cyer · WinShiftY command palette · WinShiftZ quick note · WinShiftX quick mission (⌘+Shift+C/Y/Z/X on macOS)
More product questions? See the FAQ on the home page.

Still stuck?

Email us at hello@cyer.app. Tell us your OS, which step failed, and what you saw. From the app you can export diagnostics in Settings → About if we ask for them.

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