Download
KaOS 2025.03 ISO
KaOS makes regular ISO releases available, so any (new) user is not confronted with a large or complicated first update. Those who already have KaOS installed do not need to reinstall, a regular system update will always give you the latest.
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Download from a mirror in Azia
The March version ships with Plasma 6.3.3 as the default desktop and has a size of 3.7 GiB.
- KDE Applications 24.12.3 are included, as are Linux kernel 6.13.8 (Linux-next is in the repo’s, following the 6.14 series), GCC 14.2.0, Glibc 2.40, Systemd 254.24, Kmod 34, Xorg-server 21.1.16, Qt 6.8.3, Mesa 25.0.2, Calligra, LibreOffice 25.2.2, Elisa and the latest versions of Falkon, Octopi, & Neochat.
- For those wondering about gtk apps, Firefox 136, Chrome 136, Thunderbird 136, GIMP 3.0.2, Ardour 8.12.0 are among the available in their latest version.
- Media Creation. To create reliable Media for booting the Live ISO, please read Create Install Media and follow the instructions for either using a USB flash drive or DVD disc. Though UEFI booting is supported, Secure Boot is not at this time. See this link for more on Secure Boot.
- Authenticity check. It is advised to check the integrity of the downloaded ISO by comparing SHA256Sum and to check the authenticity through the signature of the ISO.
- Known issues. Installing on RAID is currently not possible.
$ SHA256SUM KaOS 2025.03
5ec188663e800adc8c0df5f0a00ff6765c111bd850a3d48f02d53c126005a813
Using GnuPG to verify the ISO signature
Besides checking the integrity of the downloaded ISO, it is advised to also check the authenticity through the signature of the ISO. For this download the KaOS Signing Key. Add this key to your keyring:
$ gpg --import KaOS.asc
Next download the ISO GPG Signature to the same directory as where you downloaded the ISO and verify with (adjust for correct year and date):
$ gpg --verify KaOS-2025.03-x86_64.iso.sig