希望通过本文的介绍，能帮助您全面了解这个经典版本，并顺利完成开发环境的搭建。随着技术发展，您也可以持续关注Keil官方网站了解最新版本的动态，探索更强大的新功能和更完善的生态系统。
Look for the MDK525.EXE file. Note that you may need an active ARM Keil support account to download older versions. Installation Guide for Keil MDK v5.25 mdk-arm version 5.25 download
MDK-ARM (Microcontroller Development Kit for ARM) is the industry-leading software development solution from Keil (now part of Arm) for creating, building, and debugging embedded applications based on Arm Cortex-M processors. It comprises the and debugger, ARM C/C++ compilers (both ARM Compiler 5 and 6), middleware components (RTOS, USB, TCP/IP, File System), and CMSIS-CORE support. middleware components (RTOS