: Available for Windows (standalone or integrated into Keil MDK) and Linux. Overview of Arm Compiler 5.06 Update 7

To download , you must use the official Arm Product Download Hub. This version is the final maintenance release of the classic Arm Compiler 5 (AC5) toolchain, primarily used for legacy projects and specific Functional Safety (FuSa) applications. Direct Download Access

It is important to note that Arm Compiler 5 has reached its for most standard users.

: In Options for Target -> Target , set the ARM Compiler dropdown to "Version 5" . Maintenance & Migration

: Full support for ARMv4 to ARMv7 architectures.

Arm Compiler 5.06 is the long-standing "standard" for compiling code for Arm7, Arm9, Cortex-R, and Cortex-M processors. While Arm has transitioned to for newer architectures, version 5.06 Update 7 remains critical for maintaining existing codebases that rely on the legacy armcc syntax. Key Features

: Includes the armcc C/C++ compiler, armasm assembler, armlink linker, and armar librarian.

Since Keil MDK v5.37 and newer no longer include AC5 by default, you must install it as a standalone "add-on."

: Organizations requiring long-term support for safety-critical systems should refer to the Functional Safety (FuSa) documentation.

You can access the official download page via the .