Chat Computer

Chat Computer turns your computer into one you have a conversation with. You touch the screen as you would an iPad's, type on a keyboard, or talk through your AirPods. It's one conversation either way. The screen shows your words and Chat Computer's, your messages from every account at the left, what's been done for you at the right, and whatever Chat Computer puts there for you: websites, YouTube, documents and your files.

It thinks with an open model that runs on the computer itself (one of Qwen's, chosen for the computer's memory, run by Chat Computer's own engine): there's no account, no sign-in and nothing to pay, and what you say stays on the computer. If you'd rather it used an AI you already have, the spark beside the message box's + signs in with it: your ChatGPT plan (in the app, as T3 Code does), OpenRouter (whose free models cost nothing, and which has the best model of every maker below), or a key of your own from any maker at the top of Artificial Analysis's Intelligence Index: Google (Gemini), Anthropic (Claude), OpenAI, Meta, Moonshot (Kimi), xAI (Grok), Alibaba (Qwen), DeepSeek, Z.ai (GLM), Xiaomi (MiMo), MiniMax or Mistral, each answering with its best model; then what you say goes to that AI, on your account.

Try it in your browser: Chat Computer's own screen (see The demo).

Get it: on Windows, one Setup, which asks how you want Chat Computer: as an app, or as its own system, next to Windows. On a Mac, the same from the Mac app's next version; until then /get has the Mac app (see The apps).

• On a Windows PC it sits next to Windows. When you press the power button, Chat Computer starts by itself. Windows stays installed, and you can go back to it whenever you like.
• On a Mac with Apple silicon (M1, M2 or M3) it sits next to macOS the same way: when the Mac starts, Chat Computer starts. macOS, your apps and your files stay, one restart away. See Chat Computer on a Mac.

What you need on a Windows PC

• This Windows PC. It must start in UEFI mode, which every PC sold in the last ten years does.
• About 70 GB of free disk space, or a spare internal disk.
• The internet. A network cable is best; Wi-Fi works if it uses a normal password.
• At least 8 GB of memory (16 GB or more for a smarter model; see The model).
• Your AirPods, paired with Windows. Chat Computer takes over the pairing.
• A keyboard and mouse for the setup. After that you won't need them.

Installing on a Windows PC

1. Get Chat Computer Setup. Download it from chatcomputer.ai/get (Windows) and open it. The first time, Windows says "Windows protected your PC": click More info, then Run anyway. It installs the Chat Computer app for your account, then asks how you want Chat Computer: choose Its own system. (Or, with the Chat Computer folder: right-click the download, choose Extract All, and double-click Chat Computer Setup in its windows folder; Windows may warn that "the publisher could not be verified": click Run.)
2. Let Chat Computer Setup start. It opens in a window of its own; click Yes when Windows asks for permission.
3. Check the list and type y. Setup downloads the official Ubuntu installer (about 4 GB; Ubuntu is what Chat Computer uses to talk to your Wi-Fi, Bluetooth, sound and screen) and checks it's genuine. Then it lists everything it's about to change. Nothing on your disks changes until you answer y to Go ahead?. Then setup:
   • makes room next to Windows. It shrinks drive C:, like Windows' own "Shrink volume"; all your files stay. Chat Computer gets 64 GB when there's room (at least 40). If files Windows keeps at the end of C: are in the way, setup moves them out of the way first: it resets the drive's change journal, and only if that isn't enough, deletes your restore points (Windows makes new ones) and turns hibernation off. If something it can't move is in the way, such as the page file, setup stops, puts everything back, and tells you exactly what to do.
   • puts the installer in the last 6 GB of Chat Computer's space, a small temporary partition, and adds Chat Computer setup to the PC's power-on menu. No USB stick is needed.
   • turns off Windows "Fast Startup", which would keep Chat Computer from saving to your Windows files.

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