# Getting started

Install, allow screen access, take your first capture.

1. Download the installer for your system from the Download page and open it.
2. On the first launch Lass0 downloads its on-device model (about 2.5 GB) once. A progress bar shows it, and the file is checked against a SHA-256 fingerprint before it is used. Capture stays off, with a plain explanation, until that check passes.
3. On macOS, allow Screen Recording when asked (see Permissions below).
4. Press the capture shortcut, drag a region, and press Copy.

Lass0 lives in the menu bar (macOS) or system tray (Windows, Linux). The menu has Capture Text, Capture Same Area Again, Start Collect Session, Open Document, Open Lass0, Settings and Quit.

[Lass0 docs](https://www.lass0.com/docs)