About Altirra
An accurate Atari 8-bit computer emulator.
Altirra is a popular pick in the games space, trusted by people who want results without the clutter. Highlights include atari 800/xl/xe and cycle accuracy, wrapped in an interface that stays out of your way.
Grab the newest Altirra build for Windows here in one click, with no ads and no registration.
Key features
- ✓Atari 800/XL/XE
- ✓Cycle accuracy
- ✓Debugger
- ✓Open source
Requirements
Windows 10 / 11, 64-bit
Altirra — frequently asked questions
Is Altirra free to download?+
Yes. Altirra is free and open source, so you can use it at no cost.
Is Altirra safe to download?+
Yes. HivApps links to the latest Altirra build and keeps listings clean, with no bundled extras. As always, keep your antivirus on and only install software you trust.
What is the latest version of Altirra?+
The latest version listed here is Altirra 4.30, updated Aug 13, 2026.
What do I need to run Altirra?+
Windows 10 / 11, 64-bit
How do I install Altirra on Windows?+
Click the Download button on this page, run the installer once it finishes downloading, and follow the on-screen setup steps.
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Latest version (4.30) · Safe & clean