| Architecture | Typical Installer Name | Size | |--------------|------------------------|------| | 8051 (C51) | C51V900.exe | ~45 MB | | C166/XC166 | C166V505.exe | ~50 MB | | ARM (MDK 3.x) | MDK380a.exe | ~120 MB |
Keil µVision 3 is legacy software designed for Windows XP/Vista. While it can run on Windows 10, it is not officially supported by Arm (the current owner of Keil). For modern microcontrollers (STM32, NXP, etc.), you should use Keil µVision 5 (MDK). Keil Uvision 3 Free Download For Windows 10
If you cannot get uVision 3 stable on Windows 10, or if you need a modern free solution, consider these: | Architecture | Typical Installer Name | Size
To access older or current versions legally, you must use the official Keil Product Download Keil MDK-Community Edition Keil Uvision 3 Free Download For Windows 10