Which Bun download should I install?
Choose the correct Bun build for Windows, macOS, or Linux and check operating-system and CPU requirements before installing.
Use ARM64 for Apple silicon Macs, Windows on Arm, or ARM64 Linux. Use x64 for Intel Macs and Intel or AMD PCs. macOS requires version 13 or later, Windows requires Windows 10 version 1809 or later, and older x64 CPUs may need Bun's baseline build. Check the linked latest-version page for the current verified release.
Requirements checked: 2026-07-10.
Bun compatibility table
| Requirement | Version or model | Result |
|---|---|---|
| Apple silicon Mac | macOS 13+ | macOS ARM64 |
| Intel Mac | macOS 13+ | macOS x64 |
| Intel or AMD Windows PC | Windows 10 1809+ | Windows x64 |
| Windows on Arm | Windows 10 1809+ | Windows ARM64 |
| Older x64 CPU | SSE4.2 but no AVX2 | Use the baseline build |
Official sources
Checked 2026-07-10. Requirements can change with new releases.
Common questions
Where can I check the current Bun version?
Use the linked What-Version latest-version record, which is generated from the current catalog and cites Bun's official release source.
Why does Bun show an illegal instruction error?
The standard x64 build requires newer CPU instructions. Bun provides baseline x64 builds for older supported processors.