Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding General Cannot find The Divinity Engine 2

Have you tried completely exiting Steam (including via the tray icon, if it's there because it's set to keep running in the background) and then restarting it? Steam does not (always?) refresh the available packages without first shutting down completely.