: Visit the Keil Product Download Page . You will need to enter a valid Product Serial Number (PSN) or License ID Code (LIC) to access previous versions.
The safest way to acquire version 4.7 is through official ARM Keil channels. While newer versions are promoted, legacy installers are still accessible to registered users. keil mdkarm 47 download work
Downloading and Configuring Keil MDK-ARM v4.7: A Complete Guide : Visit the Keil Product Download Page