Go to the top menu and click > Convert / Save (or press Ctrl + R on Windows / Cmd + R on Mac). Click the Network tab at the top.
If you still have that massive file from 2021 sitting on your desktop, try these two steps before deleting it: vlc-record-2021-05-24-16h17m26s-index-dvr.m3u8-...
Because live streams delete old segments as new ones are created (DVR style), stopping the recording often leaves you with a broken index pointing to files that no longer exist on the internet. Go to the top menu and click >