Here is a quick way you can create and join channels using the actions menu:
- Click Channels in the left sidebar.
- You'll see a list of different levels, as well as the channels to which you belong.
- Click on the Actions menu icon(3 dots) at the level you want to create or join a channel.
- Select Join or Create.

- Select or enter the details when the following dialog window appears.
- Join Channel:

