Translations:Portals/4/en
From VRChat Wiki
A portal can be created by selecting a world on the World menu, choosing New Instance, followed by the instance type, and region that the instance should be hosted in. After this selection, a second screen will appear, with a button that says Drop Portal, and a Lock button next to it. Leaving it unlocked, allows any user to be able to see the portal; if the portal is locked, then the portal will only appear to your friends and yourself.