The store
The store is the catalog on koma.run. You install from it onto this computer, then turn the add-on on for a conversation.
Type /store to browse add-ons from koma.run. Enter opens one. Install asks you to confirm before it downloads.
Click here, then use the arrow keys or the space bar
A sample of the terminal. Nothing here is your conversation.
Type /store. Enter opens an add-on. Install asks you to confirm before anything is downloaded. R refreshes the list. Esc returns to the chat.
After it installs, use /extension use if you want this conversation to use it.