I've got a new Intellij Idea UI (I applied for testing) but I want to move back to the old one and can't find a way to do that. How can I disable a new UI?
Version: 2022.2.1
Updated answer:
In 2022.3 IDE version new UI can be enabled/disabled without modifying registry keys.
Settings | Appearance & Behavior | New UI
:
Original Answer:
Go to Help | Find Action | Registry
, start typing the key name for ide.experimental.ui
, then disable it. Restart the IDE.