RISC OS is a computer operating system designed in Cambridge, England by Acorn. First released in 1987, its origins can be traced back to the original team that developed the Arm microprocessor.

Downloads Supporting RISC OS Open RISC OS is getting ever more popular and there are more people trying it out every day. While this is great, please remember that this also means an increase …

Raspberry Pi This is RISC OS for the Raspberry Pi. For our latest release, select RISC OS under ‘Other General Purpose OS’ in the Raspberry Pi Imager application to easily prepare a card for your Pi …

Introduction to RISC OS RISC OS Tutorial A Beginner’s Guide to Running Acorn Archimedes Games on the Raspberry Pi Recommended software by riscos.info, note you may need to consult the Software …

Apr 27, 2024 · It feels like more than a year since doing the code reviews of which hardware platforms might meet the stable release criteria, attaining an even numbered long-term-supported version. So …

RISC OS is a fast, compact and efficient British operating system designed specifically for the Arm processor by the same team who created the original Arm. It is developed and tested by a loyal …

This is the RISC OS Open wiki, a place where you can contribute to RISC OS documentation. Everything can be edited. You can find help here.

"RISC OS Pi" is the latest official release of RISC OS for the Raspberry Pi. If you are new to RISC OS, take a look at our Welcome to RISC OS Pi wiki pages.

» About RISC OS RISC OS is an Operating System that was originally developed by Acorn Computers Ltd to take advantage of the ARM microprocessor for a range of high end personal computers. In …

Discussions about RISC OS 5 running in the RPCEmu open source emulator.