Скачать или смотреть How to Enable IntelliJ New UI in Android Studio

what is the new UI in IntelliJ IDEA
The new UI looks more minimalistic than the current one, it allows us to code in better conditions, thanks to the new font and the new scroll animations. That's a life changer, the scroll has drastically changed, and it is so way smoother than the current one. Furthermore, the new minimalistic user interface makes the code way more readable, thanks to that you can see the code part you want at any moment. To conclude, it is also really customizable, which allows you to make the IDE yours.

You can enable via new UI since IntelliJ IDEA 2022.3

How can you use the new UI in Android Studio ,
You can enable new UI with Android Studio Flamingo version and to enable, fallow the video
Go to the Registry in Android Studio Flamingo and write ide.experimental... and enable UI options