AitherShell is an interactive terminal for AitherOS. Run aither for a REPL, or aither "message" for a one-shot answer that prints and exits. Agents run on your own hardware, a self-hosted fleet, or a cloud API — the same commands either way.
Technical details
Publisher
Aitherium
Version
1.16.0
Release date
2026-08-07
License
BUSL-1.1
Installer type
portable
Architecture
x64
Package ID
Aitherium.AitherShell
Install AitherShell from the command line
Install with Windows Package Manager
winget install --id=Aitherium.AitherShell -e
Update to the latest version
winget upgrade --id=Aitherium.AitherShell -e
Uninstall
winget uninstall --id=Aitherium.AitherShell -e
AitherShell adds this command to the command line: aither.
AitherShell is busl-1.1 software from Aitherium. Check the publisher's license terms for pricing and usage rights.
What is the latest version of AitherShell?
The latest version is 1.16.0, released on Aug 7, 2026.
Is it safe to download AitherShell?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with dd000fc290da8c5a58629973eaf810ec391e04048add0dca7df56dc765fbbe3f.
Which Windows versions does AitherShell support?
AitherShell runs on Windows and is available for 64-bit (x64) systems.
How do I uninstall AitherShell?
Open Settings › Apps › Installed apps, find AitherShell and select Uninstall. From the command line, run winget uninstall --id=Aitherium.AitherShell -e.
Is there a portable version of AitherShell?
Yes. AitherShell is available as a portable program (aither-shell-win64.exe, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.
Alternatives to AitherShell
Other Command Line Tools programs for Windows from different developers.