If you use the client, your game should auto-update. If not, click "Manage Installation" → "Check for Updates."
Update Ready: Stellaris Orion v3.6.1 is Now Available on GOG! download-stellaris-orion-v3-6-1-gog
Downloading through GOG (Good Old Games) means you own your files. No DRM, no mandatory online launchers, and total control over your installation. If a specific mod breaks with the new update, GOG Galaxy makes it easy to roll back to a previous version while you wait for a fix. How to Download If you use the client, your game should auto-update