Version M0CR070 (All form factors)
Released Dec. 11, 2018
Crucial MX300 SSD Firmware Release M0CR070 -- Firmware Update Instructions
Warning: Crucial recommends that you back up or make copies of all important files before installing this firmware update. This firmware updated is done entirely at your own risk. If performed correctly, there will be no loss of system or user data currently stored on the drive. However, if the firmware process is interrupted, your solid state drive might not function properly. If the firmware update is done on a notebook computer, Crucial recommends that the computer is plugged in to avoid interruption.
Storage Executive optimizes and updates your Crucial SSDs on Microsoft Windows computers. Supported drives: Crucial X10 Pro, X9 Pro, X9, X8, X6, P-series, T-series, T500, MX-series, BX-series, M550, and M500 SSDs
Storage Executive only available for 64-bit systems.
Preparation
Physical installation of your SSD
Installation of Crucial Storage Executive
Cloning using Acronis