To use OBS on a Chromebook, you would have to switch the operating system to a Linux environment.
Yes, but you cannot use OBS directly on a Chromebook because it requires a high level of functionality that ChromeOS cannot provide as it does not support screen recording in any form. This article addresses the ifs, and the hows, and goes even further to provide the best alternatives to OBS if you would rather explore other options.
The problem is, as a Chromebook user, you must have been to the OBS website and figured there is no option for OBS for Chromebooks - so you need a guide on how to get OBS on a Chromebook. Launched in September 2012, OBS Studio has become an Open-source community success with over 43k GitHub stars, 500+ contributors, and hundreds of thousands of users worldwide. Open Broadcaster Software (OBS) Studio is a free, cross-platform, and open-source software for recording and live streaming.