1 - Go to the "Chat" page in the sidebar navigation.
2 - Extend your chat window by clicking on the "extension" icon to switch to full-screen mode.
3 - Open a chat channel you want to make changes from the left side panel.
4 - Right-click the 3-dot to see the option list.
5 - Select Manage Participants.
5 - Click on the "+" icon to add members, and the "x" icon next to their name to remove them.

