# Glow > Make your [Flow](https://flow.org/) errors GLOW * Pretty-printed, code highlighted type errors * Interactive watch mode * Filter through errors using globs ## Installation ```sh # globally yarn global add glow # or in your project yarn add --dev glow ``` ## Usage In your existing [Flow](https://flow.org/) project, instead of running: ```sh flow ``` Simply run: ```sh glow ``` You can also filter errors down to a specific set of files by running: ```sh glow path/to/whatever ``` There's even an awesome watch mode: ```sh glow --watch ```