Sign in to enhance your experience with File Commander:
To sign in, tap on the Sign in button in the Navigation menu, and choose your preferred sign in method (Facebook, Google+, as well as Email or phone). To sign up, tap on Sign up at the bottom, and choose between sign up with email or phone number.
Once you're signed in, your credentials will appear at the top of the Navigation menu. Tapping on the image will allow you to change your profile picture.