If you don't have flatpak installed yet, learn here how to install it.
Then you can install Inkscape by running the following command on the command line:
flatpak install flathub org.inkscape.Inkscape
To start the flatpak Inkscape installation, run:
flatpak run org.inkscape.Inkscape
Inkscape is Free and Open Source Software licensed under the GPL.
With thanks to:
Fastly
OSUOSL
Sponsors
The Authors
Flatpak