Altirra on Windows on ARM
Avery Lee · EmulatorsYESAn official ARM64 build is available.
Atari 8-bit
Confirmed Nov 4, 2026Details
- ARCHITECTURE
- ARM64 (native)
- BUILD
- Official
- GET IT FROM
- Direct download
- LICENSE
- Open source
- PUBLISHER
- Avery Lee
- CONFIRMED NATIVE
- Nov 4, 2026
- TESTED BY
- Not yet
- DOWNLOAD LINK CHECKED
- 2026-11-05
- ARM64 PROOF
- Download page mentions ARM64
- SOURCES
- Our research, armrepo community list
Make sure it's running native
- 01Open Altirra, then press Ctrl + Shift + Esc to open Task Manager.
- 02On the Details page, right-click a column header, choose Select columns, and tick Architecture.
- 03Find its process. ARM64 means native. x64 means you have the emulated build, so reinstall it from the link above.
Questions
Does Altirra run natively on Windows on ARM?
Yes. Avery Lee publishes an official ARM64 build.
Where do I download Altirra for ARM64?
Use the direct download link on this page. Atari 8-bit. If Task Manager shows the app as x64 after installing, you have the emulated build.
Will Altirra run on a Snapdragon X laptop or Copilot+ PC?
Yes. The ARM64 build runs on any Windows 11 on ARM PC, including Snapdragon X-series laptops, Surface Pro and Surface Laptop, and other Copilot+ PCs.