A WhatsApp Desktop client for Linux systems. This is an unofficial client. Use https://web.whatsapp.com for official web client as official desktop client for Linux does not exist.
Enable snaps on Kubuntu and install WALC - unofficial WhatsApp Linux Client
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.