Allegro CL Express Edition Downloads

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For your platform of choice, from the table below, please download the software and read the installation instructions.

Operating System	File to download	Installation instructions
Windows 32-bit	ACL 11.0 for x86 Windows version 10 and later	Windows
Linux x86-64	ACL 11.0 for Linux/RHEL/CentOS/Rocky glibc version 2.17 and later	Linux
Apple Silicon M1, M2, M3	ACL 11.0 for macOS Monterey (12) and later	macOS

Additional Downloads

Operating System	File to download	Installation instructions
Apple x86-64	ACL 11.0 for macOS Monterey (12) and later	macOS
Linux ARM v8.1 64-bit	ACL 11.0 for Amazon Linux (Graviton) glibc version 2.26 and later	Linux
Linux ARM v8 64-bit	ACL 11.0 for Linux/RHEL/CentOS glibc version 2.17 and later	Linux
FreeBSD x86-64	ACL 11.0 for FreeBSD 13 and later	FreeBSD/Linux

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If you are learning Lisp we encourage you to review the New to Lisp section of our website as well as the Tutorials that are available.