RISC OS 4.0x FTP space

Files here are suitable for RISC OS 4.0x


Acorn Computers FTP

This page contains free of charge downloads suitable for RISC OS 4.02, 4.03 and 4.04. If you are using a different version of RISC OS then please return to the main FTP index page and select the correct version of RISC OS. If you install items designed for a different version of RISC OS then you may encounter problems and have to rebuild your !Boot sequence.

Software Licence & Disclaimer

The software downloads available here are free of charge and with no guarantee. Please read this disclaimer before downloading any files. 3QD Developments Ltd grants to each person ("User") who downloads software from this server a personal non-transferable non-exclusive limited license to the User to use the software solely for their own purpose on an Acorn computer or emulator running the appropriate version of RISC OS. To read the full licence please click here.

It is a condition of downloading software from this server that you comply with the Software licence conditions. By the act of downloading any item of software you are deemed to have read and accepted both the licence conditions and disclaimer.

FREE of charge downloads for RISC OS 4.0x


Self Extracting SparkFS
All of the downloads from this site are compressed inside archives. You will need a way of decompressing these archives under RISC OS. If you don't already have a suitable de-archiving tool for RISC OS then we recommend using the read only version of SparkFS. Please click here for installation instructions.

RO4 Install

RO4 Install
This is a copy of the RISC OS 4 discbuild installer. This includes the new !Boot sequence and the new RISC OS 4 application suite. This can be used to re-install the RISC OS 4 !Boot sequence on Acorn/Castle RiscPC, A7000/A7000+, RiscStation and Mico computers fitted with RISC OS 4.0x in ROM. Please note that the 'bundled' apps (Writer, ImageFS2 etc) are not included.


Printers 1.64a - Release 2
Suitable for all versions of RISC OS from 4.02 onwards. This version of printers is included in the default RISC OS 4.02 disc build.


Printers 1.64a - Printer Definition Files
Suitable for use with !Printers 1.64a or later running on RISC OS 4.02 or later. Behaviour on earlier versions of RISC OS cannot be guaranteed as these PDFs use the new format colour palette.


Printers 1.67a
Adds support for USB printers.

Printers 1.91

Printers 1.91 (Printers+)
This version of !Printers was 'open-sourced' via SourceForge so that it could be developed by the community. This version adds support for remote network printers and supports some advanced printer features.


Taborca is an addition to the RISC OS 4 printing system that allows the RISC OS printer drivers to print directly to a PDF file, rather than to a physical printer. This allows any application that supports the RISC OS printing system to generate PDF files of up to 3 pages in length. Taborca is not suitable for use with RISC OS 3.

FREE of charge updates/patches for RISC OS 4.02

RO4 Patch5

RO4 Patch 5
This version of the patch fixes various problems found with all versions of Patch 4. There are no additional patches, but anyone using earlier Patches are advised to upgrade to this version. Please note that this patch is not required for the RiscStation version of RISC OS 4.03.


Boot Toolbox Update
This patch fixes a long standing bug in !Boot and allows to correct use of the new ToolBox modules. It also fixes errors when RISC OS Select users are unable to switch from RISC OS 4.02 back to Select, getting errors such as 'unable to set Gadget Flags'. You must install this if you are updating the Toolbox modules on a 4.02 machine..


Laziness is a small application to turn Lazy Task Swapping on and off on any RISC OS 4 machine. It is used at your own risk; Read the !Help file.


This patch allows Acorn Advance version 1.01 to work with StrongARM equiped RiscPCs. Requires Utilities.Patches.!Patch as supplied with default RISC OS 4.02 disc builds.


CDFSSoftAtapi 370
The RISC OS 3.7 version of the CDFSSoftATAPI driver which can be used to replace the in-built RISC OS 4 CD-ROM driver if you are having problems with Mode 2 discs (Photo-CD and others). To activate it you must first *unplug cdfssoftatapi from the command line (press F12).

FREE downloads for Developers


RO4.02 Application Text files
These are the text files related to the RISC OS 4.02 applications to assist in the creation of other language versions of RISC OS 4.02.


© Copyright 3QD Developments - 18/11/2016