Plasma/Live Images
Try and install Plasma from a live medium provided by several Linux distributions.
Shipping the latest code from Git
KDE neon Unstable
KDE neon builds Frameworks, Plasma and Applications on a continuous integration system.
You can use the Testing Edition for builds from Plasma/5.x branches or the Unstable Edition for builds from master branches.
OpenMandriva Cooker and Rolling
OpenMandriva is a desktop centric, completely Plasma focused, distribution. The current development branch ("Cooker") includes Qt 5.15.1, KDE Frameworks 5.75, Plasma 5.20.2 and KApps 20.08.2. The current rolling release branch includes Qt 5.15.1, KDE Frameworks 5.75, and Plasma 5.20.2 and KApps 20.08.2. OpenMandriva Lx is available for x86_64 (with a specially optimized version for Ryzen/Threadripper CPUs) and aarch64. RISC-V, armv7hnl and PPC versions are in development.
openSUSE Krypton
Krypton is an installable live image based on openSUSE Tumbleweed with the latest KDE software from Git master (unreleased) on top.
See also https://en.opensuse.org/SDB:Argon_and_Krypton
Ships Plasma 5.24 Beta
Arch Linux KDE Unstable Repository
While no live ISO is available, the 5.24 Beta can be tested on Arch Linux by adding the KDE Unstable Repository.
Fedora Rawhide
Fedora Development Release ships with Plasma 5.24 Beta
Fedora 35 via COPR
You can install Plasma Beta via the KDE SIG's COPR: https://copr.fedorainfracloud.org/coprs/marcdeop/plasma/
Gentoo
While no live ISO is available, 5.24 Beta is available (masked) in the official Gentoo ebuild repository, as usual, to build it from source. ~arch users simply unmask it via this /etc/portage/package.unmask file, while arch users will additionally need kde-plasma-5.24.accept_keywords and kde-frameworks-5.90.accept_keywords files.
Gentoo users may easily test changes posted by developers for testing before committing via user patches mechanism.
FreeBSD
While the packages are not built on the build cluster, you can fork the port tree from
https://github.com/freebsd/freebsd-ports-kde/tree/plasma5-5.24
and build them yourself.
KaOS
Plasma 5.24 beta is available in the kde-next repository.
KDE neon Testing Edition
The Testing edition can be used to test the beta as well without resorting to builds straight from git.
Kubuntu 22.04 development release
Kubuntu development release daily live and installable image. Currently with Plasma 5.24 Beta.
http://cdimage.ubuntu.com/kubuntu/daily-live/current/
Kubuntu Beta PPA for 21.10 Impish Indri
While no live ISO is available, the 5.24 Beta can be tested on 21.10 Impish Indri by adding the Beta PPA.
https://launchpad.net/~kubuntu-ppa/+archive/ubuntu/beta
This PPA should work with both a standard 21.10 install and one where the backports PPA is in use.
openSUSE Tumbleweed and Leap 15.3
An installable live .iso with Plasma 5.24 on Leap 15.3 is available as openSUSE Argon.
It's possible to install Plasma 5.24 on a Tumbleweed or Leap 15.3 system using the provided repositories on the openSUSE wiki page.
Tumbleweed will receive Plasma 5.24.0 shortly after release.
Ships Plasma 5.23
KaOS
KaOS is a sophisticated and independent distribution which focuses completely on KDE. A modern packaging approach leads to stability and freshness at the same time. Small and helpfully community.
KDE neon
KDE neon builds Frameworks, Plasma and Applications on a continuous integration system.
The User Edition has Plasma 5.23
openSUSE Tumbleweed
openSUSE's rolling distribution "Tumbleweed" ships the latest Plasma release tested with openQA.
Both 32 bit and 64 bit versions are available.
Slackware
Alien BOB (Eric Hameleers) provides an installable Live image for Plasma 5 which is re-generated at each update of the development tree "slackware64-current" using the liveslak scripts. Two login accounts/passwords are "live/live" and "root/root". Use su or sudo to become root (using the "live" password).
Ships Plasma 5.22
GeckoLinux
GeckoLinux is built directly from openSUSE packages and uses openSUSE repositories.
GeckoLinux NEXT Plasma includes the Plasma 5.22 desktop environment on top of the Leap 15.3 base system. It also includes KDE Applications 21.08 and the KDE Framework at version 5.86.0.
http://geckolinux.github.io/#download-next
Kubuntu 21.10
Kubuntu 20.10 "Impish Indri", released in October 2021, includes Plasma 5.23. The Live ISO is available for download.
http://cdimage.ubuntu.com/kubuntu/releases/21.10/release/
Ships Plasma 5.21
GeckoLinux
GeckoLinux is built directly from openSUSE packages and uses openSUSE repositories.
GeckoLinux ROLLING Plasma comes with Plasma 5.21.5 / KF5 5.82 / KDE apps 21.04
http://geckolinux.github.io/#download-rolling
Fedora 34 GA release
Fedora 34 released with live and installable images.
https://download.fedoraproject.org/pub/fedora/linux/releases/34/Spins/x86_64/iso/
Kubuntu 21.04
http://cdimage.ubuntu.com/kubuntu/releases/21.04/
Ships Plasma 5.19
Manjaro
Manjaro KDE Edition is rolling release distribution. It provides the latest stable Plasma, KDE Applications, KDE Frameworks and Qt releases.
https://manjaro.org/get-manjaro/
Ships Plasma 5.18 LTS
Kubuntu 20.04 LTS "Focal Fossa"
Kubuntu 20.04 LTS "Focal Fossa", released in April 2020, includes Plasma 5.18. The Live ISO is available for download.
http://cdimage.ubuntu.com/kubuntu/releases/20.04/release/
openSUSE Leap 15
The latest released Plasma LTS version is available as a live image with openSUSE's stable branch "Leap":
Ships Plasma 5.17
Debian
Official Debian 10 “buster” live images can be downloaded from debian.org/CD/live. There’re several desktop environment flavors, including KDE.
OpenMandriva Lx 4.1
OpenMandriva is a desktop centric, completely Plasma focused, distribution. Release 4.1 includes Qt 5.14.1, KDE Frameworks 5.66, and Plasma 5.17.5.
Ships Plasma 5.16
OpenMandriva Lx 4.0
OpenMandriva is a desktop centric, completely Plasma focused, distribution. Release 4.0 includes Qt 5.12.3, KDE Frameworks 5.58, and Plasma 5.15.4.
Ships Plasma 5.12 LTS
GeckoLinux
GeckoLinux is built directly from openSUSE packages and uses openSUSE repositories.
GeckoLinux STATIC Plasma includes the Plasma 5.12 LTS desktop environment on top of a Leap 15.0 base.