1. Download and extract
Download the single ZIP file and extract it to get the complete ISO. Save the SHA-256 text file beside it and verify before writing the image.
ASTRAOS 0.2.1-ALPHA · LIVE PREVIEW
Boot into AstraOS
A Debian 13 live desktop with AstraOS branding, everyday apps and a small developer toolkit.
AstraOS 0.2.1-alpha Preview
BIOS + UEFI boot entries included · desktop startup unverified · amd64 / x86-64
LIVE DESKTOP · BIOS + UEFI
Try AstraOS from a USB drive
This Debian 13 live preview packages an AstraOS XFCE desktop, LibreOffice, Firefox ESR with uBlock Origin, defensive security tools, KeePassXC, firewall controls, AppArmor and a loopback-only practice lab. The BIOS boot menu appears in QEMU, but the desktop did not render during our check; desktop startup and physical-PC compatibility are unverified.
This is an early pre-release. Try it in a virtual machine first and keep important data backed up. It runs live, has no disk installer, and session changes disappear at shutdown. The UEFI loader is unsigned; Secure Boot may need to be disabled.
Download size
1.82 GiB · one ZIP file
After downloading, extract the ZIP to get the complete AstraOS ISO. Verify the extracted ISO before writing it to USB.
Alpha preview limitations
The 0.2.1-alpha ISO is built, but desktop startup did not render in our QEMU check. BIOS/UEFI boot entries are present; physical hardware compatibility is unverified. This image is a live session with no installer.
Read the Ethical Security Lab guideVerify the download
Extract the ZIP first, then keep the ISO and downloaded SHA-256 text file in the same folder before checking.
SHA-256
63ecada609b406f819b0a765643d1d45ff7739b1ab186cae5f5ce569ad4a5cb2
Linux / WSL: sha256sum -c AstraOS-0.2.1-alpha-amd64.iso.sha256.txt
Windows: certutil -hashfile AstraOS-0.2.1-alpha-amd64.iso SHA256Boot from USB
2. Write the image
Use an image-writing utility and an 8 GB or larger USB drive. Writing erases the selected USB.
3. Start AstraOS
Choose the USB in your PC's boot menu. If UEFI blocks the unsigned loader, turn off Secure Boot in firmware.
What this build is
A Debian-based Linux live image that starts an AstraOS-branded XFCE desktop. It targets 64-bit amd64 PCs. This first preview has not yet been validated across different physical computers and does not install to the internal drive.
Need help getting started?
Read the boot guide and common questions before trying AstraOS on a USB drive or in a virtual machine.