How can I download MDK-Arm V4.74 required for edX Course Embedded Systems - Shape The World.
This is the latest. Dig around here for perhaps an older version if you really need it.
https://www2.keil.com/mdk5
To registered users access to former Keil MDK versions is granted at:
https://www.keil.com/download/product/
while Eval users have access to the latest MDK release at:
http://www2.keil.com/mdk5