Your Zenfone Max Pro M1 sports a microSD memory card slot. If your laptop or personal computer has a slot for that card format (Most laptops are so-equipped), you should be able to transfer a music file
The Asus Zenfone Max Pro (M1) is an Android smartphone and the Android market offers a bunch of free ringtone apps such as MP3 Ringtone Maker, RingDroid (open source) and more.
Here are some of the free ringtones (compatible with your Asus Zenfone Max Pro (M1)) we offer:
Free Horror Ringtones Free Ghost Ringtones Free Ringtones-a-gogo Free Techno Ringtones Hear All Our Free Polyphonic Ringtones