Special → Join… pairs this exe with another one (say, your laptop's) using a short one-time code. Joined desks sync continuously: app data, Workspace files and the Newsfeed flow both ways, with conflicting edits resolved automatically and the losing copy preserved next to the winner.
The Newsfeed is the shared timeline of the mesh: VMs created and deleted, nodes joining, sync conflicts — and agents can post to it, so finished work or problems show up on every desk.