MTP driver for MAC(Android File Transfer.dmg): Click here

Instruction of installing the MTP driver on Mac: Click here

MTP driver for Windows: Click here

Instruction of installing the MTP driver on Windows: Click here

Video help(M15 as example): Click here

Note: M17/M15S/M23/M11 Plus/M21/JM21 does not need to install MTP driver when using in Windows computer.

Please try this MTP driver if the driver above fails to work in your Windows computer: Click here