# companyOS Twin > Documentation for the companyOS Twin desktop app: a private twin that learns your repeated work on this device. - [companyOS Twin](https://docs.qbrin.com/introduction.md): A private desktop twin that notices the work you repeat and offers to run it for you - [Quickstart](https://docs.qbrin.com/quickstart.md): Install the app, finish setup, and see the first routine - [Install](https://docs.qbrin.com/install.md): Install companyOS Twin on macOS, Windows or Linux, or build it from source - [How it works](https://docs.qbrin.com/how-it-works.md): From capture to a routine you can run: what the twin records, how it finds patterns, and where it stops - [Automations and autonomy](https://docs.qbrin.com/automations.md): The levels an automation moves through, the conditions for running on its own, and what each step can do - [App readiness](https://docs.qbrin.com/app-readiness.md): How much of each app's work could run on its own over the last seven days, and why - [Privacy and data](https://docs.qbrin.com/privacy.md): What companyOS Twin records, where it is kept, what leaves the device, and how to remove it - [Development](https://docs.qbrin.com/development.md): The repository layout, the commands, and the test suites - [Releasing](https://docs.qbrin.com/releasing.md): How a version tag becomes a draft GitHub Release, what to set up before the first one, and how an update feed can use it This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.