As of this writing, version 525 is considered legacy. If you cannot find it on the official CDN, it may have been moved to the "Retired Software" section, requiring direct support contact.
: Enhanced support for the Event Recorder , which provides real-time visibility into software execution without halting the processor. mdkarm version 525 download link
MDKARM is a software framework used for developing applications on ARM-based systems. The version number 5.2.5 seems specific, and I'm assuming you're looking for a draft piece that provides information on where to download this specific version. As of this writing, version 525 is considered legacy
If you are using v5.25 to support older hardware, you may also need the pack. This provides compatibility for ARM7, ARM9, and Cortex-R devices that are not included in the standard software packs. MDK Version 5.25 - Arm Developer MDK Version 5.25. Release date: 22nd March, 2018. Arm Developer Keil Product Downloads MDKARM is a software framework used for developing
Engineers often searched far and wide for this specific version to maintain older firmware that required the Arm Compiler 5.06
