Usage ‐ SLM ‐ Installation and Setup - babsonnexus/stream-link-manager-for-channels GitHub Wiki
On-Demand: Stream Link/File Manager Extension [SLM] is on by default. You have the option to turn it off in the Settings area under Extensions if you are not using this tool. It will then hide everything related to SLM.
Additionally, there are several "add-ons" to this Extension that are also available in the Settings area (depending upon your Edition).
Complete details of these are covered on the page itself.