Studio | Vmoptions

Never edit the original bin/studio64.vmoptions inside the installation folder—updates will overwrite it. Use the Help menu or create the user file manually.

This is the most common reason developers edit this file. studio vmoptions

At its core, Android Studio is a Java application. Like all Java applications, it runs inside a JVM (Java Virtual Machine). The JVM does not know inherently how much memory to use or how to optimize its Just-In-Time (JIT) compilation; it relies on startup flags (arguments) to dictate its behavior. Never edit the original bin/studio64

Modifying this file transitions you from a passive user of the IDE to an architect of its runtime behavior. At its core, Android Studio is a Java application

While the menu is the preferred method, the physical files are located in specific directories depending on your Operating System: