Android – How to speed up Android Studio?

Android Studio is great tool to develop Android apps. However, it is really sluggish. But there is a way how to solve this problem. Thanks to Josh and for his solution.

Solution.
Step 1: Open File->Settings->Appearance & Behavior->Appearance->Remove tick from Animate windows->Apply
Step 2: Open File->Settings->System Settings->Remove tick from Synchronize files on frame activation