Download DR DOS 9.0
Current Release: DR DOS® 9.0 Revision 487 (Released April 11, 2026)
By downloading, you agree to our license terms: non-commercial use only, provided without warranty. See full license for details.
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Quick Installation Guide
Getting started with DR DOS is straightforward:
- Download the boot16.img.7z file from the links above
- Extract the 7z archive to get the boot16.img disk image
- Write the image to a USB drive or CompactFlash card using
ddor similar disk imaging tool - Boot your computer or virtual machine from the media
- DR DOS will start automatically - no installation required!
For detailed installation instructions, virtual machine setup, and troubleshooting, please see our comprehensive software manual.
System Requirements
DR DOS 9.0 runs on a wide variety of x86 hardware, both real and virtual:
- Processor: Intel 386 compatible or higher
- Memory: 2 MB RAM minimum
- Display: VGA-compatible display adapter
- Storage: FAT12 or FAT16 formatted media (hard disk or floppy)
- BIOS: LBA or CHS disk addressing capability
DR DOS 9.0 works on both real vintage hardware and modern virtual machines including QEMU, VirtualBox, VMware, and others.
Previous Releases
Previous beta builds are available in our releases archive. Check our release notes to see what's been added in each revision.