Go to build.gradle in app module and rename applicationId "com.company.name"

Go to Manifest.xml in app/src/main and rename package="com.company.name" and android:label="App Name"

Go to Manifest.xml in app/src/debug and rename package="com.company.name"

Go to Manifest.xml in app/src/profile and rename package="com.company.name"

Go to app/src/main/kotlin/com/something/something/MainActivity.kt and rename package="com.company.name"