If you haven't already installed Warmly for Mac, check out this article on how to get set up in 60 seconds.

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/b3a4c405-64d1-4c14-aa3d-a25dcff7e91e/Open_Warmly_from_Taskbar.mp4

Warmly can be quickly opened in Thin UI (recommended for in-meeting use) or Wide UI (recommended for pre-meeting prep) by click Control + Warmly's taskbar icon and selecting the preferred mode.

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/c1267a8a-e38e-4e84-8010-0ad67dc1b87c/Adjust_Thin__Wide_UI_-_Warmly_taskbar.mp4

Once opened, you can easily adjust from Wide UI to Thin UI or vice-versa by pulling the edges of Warmly to your desired width.