If you want get a debuggable APK that people can install without adb, in Android Studio you can:
A) Select your debug variant and click Build Bundle(s) / APK(s) Build APK(s).
B) Click the Run button from toolbar
C) Select your debug variant and click Analyze APK.

Question

If you want get a debuggable APK that people can install without adb, in Android Studio you can:
A) Select your debug variant and click Build Bundle(s) / APK(s) > Build APK(s).
B) Click the Run button from toolbar
C) Select your debug variant and click Analyze APK.

Quizplus · Accepted Answer

Selecting the debug variant and clicking Build APK(s) generates a debuggable APK that can be installed on devices without using adb.

If You Want Get a Debuggable APK That People Can